ZCW-MesoLabs-QueryingPersons.SQL/sql

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mysql> use data1
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> show tables
    -> ;
+-----------------+
| Tables_in_data1 |
+-----------------+
| homes           |
| movies          |
| people          |
+-----------------+
3 rows in set (0.00 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Sheeri     | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Sharam    | 186-5223 | 1980-08-31 |       3 |
|  3 | Noelle     | Durand    | 395-6161 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 395-6181 | 1987-07-06 |       1 |
|  5 | Jane       | Smith     | 393-6181 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
+----+------------+-----------+----------+------------+---------+
6 rows in set (0.00 sec)

mysql> INSERT INTO people (last_name, first_name, mobile, birthday)
    -> VALUES ('Smith', 'John', '230-4293', '1973-01-23');
Query OK, 1 row affected (0.00 sec)

mysql> show tables
    -> ;
+-----------------+
| Tables_in_data1 |
+-----------------+
| homes           |
| movies          |
| people          |
+-----------------+
3 rows in set (0.00 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Sheeri     | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Sharam    | 186-5223 | 1980-08-31 |       3 |
|  3 | Noelle     | Durand    | 395-6161 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 395-6181 | 1987-07-06 |       1 |
|  5 | Jane       | Smith     | 393-6181 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 230-4293 | 1973-01-23 |    NULL |
+----+------------+-----------+----------+------------+---------+
7 rows in set (0.00 sec)

mysql> UPDATE people SET first_name = 'Tony' WHERE id = 1;
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> use data
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
| 26 | Sheeri     | Carbral   | 230-4233 | 1970-02-23 |       2 |
| 27 | Raj        | Sharam    | 186-5223 | 1980-08-31 |       3 |
| 28 | Noelle     | Durand    | 395-6161 | 1960-07-06 |       1 |
| 29 | Thomas     | Smith     | 395-6181 | 1987-07-06 |       1 |
| 30 | Jane       | Smith     | 393-6181 | 1987-12-06 |       3 |
+----+------------+-----------+----------+------------+---------+
5 rows in set (0.00 sec)

mysql> use data1
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Sharam    | 186-5223 | 1980-08-31 |       3 |
|  3 | Noelle     | Durand    | 395-6161 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 395-6181 | 1987-07-06 |       1 |
|  5 | Jane       | Smith     | 393-6181 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 230-4293 | 1973-01-23 |    NULL |
+----+------------+-----------+----------+------------+---------+
7 rows in set (0.00 sec)

mysql> UPDATE people SET mobile = '152-9854' WHERE last_name = 'Smith';
Query OK, 3 rows affected (0.01 sec)
Rows matched: 3  Changed: 3  Warnings: 0

mysql> UPDATE people SET birthday = '1955-01-25'
    -> WHERE last_name = 'Smith'
    -> AND id = 4;
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> UPDATE people SET mobile = '333-3333', last_name = 'Johnson'
    -> WHERE first_name = 'Noelle' OR first_name = 'Raj';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2  Changed: 2  Warnings: 0

mysql> SELECT COUNT(homenumber) FROM homes;
+-------------------+
| COUNT(homenumber) |
+-------------------+
|                 4 |
+-------------------+
1 row in set (0.01 sec)

mysql> SELECT homenumber FROM homes WHERE id = 1;
+------------+
| homenumber |
+------------+
| 565-6895   |
+------------+
1 row in set (0.01 sec)

mysql> SELECT COUNT(*) FROM homes;
+----------+
| COUNT(*) |
+----------+
|        4 |
+----------+
1 row in set (0.00 sec)

mysql> SELECT COUNT(DISTINCT last_name) FROM people;
+---------------------------+
| COUNT(DISTINCT last_name) |
+---------------------------+
|                         4 |
+---------------------------+
1 row in set (0.01 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL |
+----+------------+-----------+----------+------------+---------+
7 rows in set (0.00 sec)

mysql> SELECT  SUM(id), AVG(id) FROM people;
+---------+---------+
| SUM(id) | AVG(id) |
+---------+---------+
|      28 |  4.0000 |
+---------+---------+
1 row in set (0.01 sec)

mysql> select * from homes;
+----+----------------------------------------+------------+
| id | address                                | homenumber |
+----+----------------------------------------+------------+
|  1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
|  2 | 11 Essex Dr.Farmingdale, NY 11735      | 454-4544   |
|  3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
|  4 | 234 High Street, PA 19159              | 267-3940   |
+----+----------------------------------------+------------+
4 rows in set (0.00 sec)

mysql> SELECT SUM(id) AS sum, AVG(id) AS avg FROM people;
+------+--------+
| sum  | avg    |
+------+--------+
|   28 | 4.0000 |
+------+--------+
1 row in set (0.05 sec)

mysql> SELECT MIN(birthday) FROM people;
+---------------+
| MIN(birthday) |
+---------------+
| 1954-12-07    |
+---------------+
1 row in set (0.01 sec)

mysql> SELECT UPPER (first_name), LOWER(last_name) FROM people;
+--------------------+------------------+
| UPPER (first_name) | LOWER(last_name) |
+--------------------+------------------+
| TONY               | carbral          |
| RAJ                | johnson          |
| NOELLE             | johnson          |
| THOMAS             | smith            |
| JANE               | smith            |
| DOUG               | brown            |
| JOHN               | smith            |
+--------------------+------------------+
7 rows in set (0.01 sec)

mysql> ELECT REPLACE(last_name, 'a', '1') FROM people;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ELECT REPLACE(last_name, 'a', '1') FROM people' at line 1
mysql> SELECT REPLACE(last_name, 'a', '1') FROM people;
+------------------------------+
| REPLACE(last_name, 'a', '1') |
+------------------------------+
| C1rbr1l                      |
| Johnson                      |
| Johnson                      |
| Smith                        |
| Smith                        |
| Brown                        |
| Smith                        |
+------------------------------+
7 rows in set (0.00 sec)

mysql> SELECT last_name FROM people;
+-----------+
| last_name |
+-----------+
| Carbral   |
| Johnson   |
| Johnson   |
| Smith     |
| Smith     |
| Brown     |
| Smith     |
+-----------+
7 rows in set (0.01 sec)

mysql> INSERT INTO people (first_name, last_name, mobile)
    -> VALUES ('Otto', 'Von Count', '656-6548');
Query OK, 1 row affected (0.02 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL |
|  8 | Otto       | Von Count | 656-6548 | NULL       |    NULL |
+----+------------+-----------+----------+------------+---------+
8 rows in set (0.01 sec)

mysql> SELECT CONCAT(first_name, last_name) FROM people
    -> WHERE last_name = 'Smith';
+-------------------------------+
| CONCAT(first_name, last_name) |
+-------------------------------+
| ThomasSmith                   |
| JaneSmith                     |
| JohnSmith                     |
+-------------------------------+
3 rows in set (0.01 sec)

mysql> SELECT CONCAT(first_name, ' ', last_name)
    -> FROM people
    -> WHERE last_name = 'Smith'
    -> ;
+------------------------------------+
| CONCAT(first_name, ' ', last_name) |
+------------------------------------+
| Thomas Smith                       |
| Jane Smith                         |
| John Smith                         |
+------------------------------------+
3 rows in set (0.00 sec)

mysql> SELECT CONCAT_WS(' ',first_name, last_name, mobile)
    -> FROM people WHERE last_name= 'Smith';
+----------------------------------------------+
| CONCAT_WS(' ',first_name, last_name, mobile) |
+----------------------------------------------+
| Thomas Smith 152-9854                        |
| Jane Smith 152-9854                          |
| John Smith 152-9854                          |
+----------------------------------------------+
3 rows in set (0.00 sec)

mysql> SELECT homenumber, LEFT(homenumber, 3), RIGHT(homenumber, 2) FROM homes;
+------------+---------------------+----------------------+
| homenumber | LEFT(homenumber, 3) | RIGHT(homenumber, 2) |
+------------+---------------------+----------------------+
| 565-6895   | 565                 | 95                   |
| 454-4544   | 454                 | 44                   |
| 985-4515   | 985                 | 15                   |
| 267-3940   | 267                 | 40                   |
+------------+---------------------+----------------------+
4 rows in set (0.00 sec)

mysql> SELECT LENGTH(address), CHAR_LENGTH(address) FROM homes;
+-----------------+----------------------+
| LENGTH(address) | CHAR_LENGTH(address) |
+-----------------+----------------------+
|              36 |                   36 |
|              33 |                   33 |
|              38 |                   38 |
|              26 |                   26 |
+-----------------+----------------------+
4 rows in set (0.01 sec)

mysql> SELECT first_name, last_name, YEAR(birthday) FROM people WHERE birthday >= '1970-07-06' AND birthday<='1987-07-06';
+------------+-----------+----------------+
| first_name | last_name | YEAR(birthday) |
+------------+-----------+----------------+
| Raj        | Johnson   |           1980 |
| John       | Smith     |           1973 |
+------------+-----------+----------------+
2 rows in set (0.00 sec)

mysql> SELECT first_name, birthday FROM people WHERE first_name='Thomas' OR first_name='Raj' OR first_name='Sheeri';
+------------+------------+
| first_name | birthday   |
+------------+------------+
| Raj        | 1980-08-31 |
| Thomas     | 1955-01-25 |
+------------+------------+
2 rows in set (0.00 sec)

mysql> SELECT first_name, birthday FROM people WHERE first_name IN ('Noelle', 'Thomas', 'Raj');
+------------+------------+
| first_name | birthday   |
+------------+------------+
| Raj        | 1980-08-31 |
| Noelle     | 1960-07-06 |
| Thomas     | 1955-01-25 |
+------------+------------+
3 rows in set (0.00 sec)

mysql> SELECT first_name FROM people WHERE RIGHT(first_name,1)='e';
+------------+
| first_name |
+------------+
| Noelle     |
| Jane       |
+------------+
2 rows in set (0.00 sec)

mysql> SELECT first_name FROM people WHERE first_name LIKE '%j';
+------------+
| first_name |
+------------+
| Raj        |
+------------+
1 row in set (0.00 sec)

mysql> SELECT first_name FROM people WHERE first_name LIKE '%o%';
+------------+
| first_name |
+------------+
| Tony       |
| Noelle     |
| Thomas     |
| Doug       |
| John       |
| Otto       |
+------------+
6 rows in set (0.00 sec)

mysql> SELECT first_name FROM people WHERE first_name NOT LIKE '%o%';
+------------+
| first_name |
+------------+
| Raj        |
| Jane       |
+------------+
2 rows in set (0.00 sec)

mysql> SELECT COUNT(*) FROM people;
+----------+
| COUNT(*) |
+----------+
|        8 |
+----------+
1 row in set (0.00 sec)

mysql> SELECT last_name, COUNT(*) FROM people GROUP BY last_name
    -> ;
+-----------+----------+
| last_name | COUNT(*) |
+-----------+----------+
| Brown     |        1 |
| Carbral   |        1 |
| Johnson   |        2 |
| Smith     |        3 |
| Von Count |        1 |
+-----------+----------+
5 rows in set (0.01 sec)

mysql> SELECT last_name, GROUP_CONCAT(mobile) FROM people GROUP BY last_name;
+-----------+----------------------------+
| last_name | GROUP_CONCAT(mobile)       |
+-----------+----------------------------+
| Brown     | 466-6241                   |
| Carbral   | 230-4233                   |
| Johnson   | 333-3333,333-3333          |
| Smith     | 152-9854,152-9854,152-9854 |
| Von Count | 656-6548                   |
+-----------+----------------------------+
5 rows in set (0.00 sec)

mysql> SELECT last_name, GROUP_CONCAT(mobile SEPARATOR ' and ') FROM people GROUP BY last_name;
+-----------+----------------------------------------+
| last_name | GROUP_CONCAT(mobile SEPARATOR ' and ') |
+-----------+----------------------------------------+
| Brown     | 466-6241                               |
| Carbral   | 230-4233                               |
| Johnson   | 333-3333 and 333-3333                  |
| Smith     | 152-9854 and 152-9854 and 152-9854     |
| Von Count | 656-6548                               |
+-----------+----------------------------------------+
5 rows in set (0.00 sec)

mysql> SELECT last_name, GROUP_CONCAT(mobile SEPARATOR ' and ') FROM people GROUP BY last_name  HAVING COUNT(*)>1;
+-----------+----------------------------------------+
| last_name | GROUP_CONCAT(mobile SEPARATOR ' and ') |
+-----------+----------------------------------------+
| Johnson   | 333-3333 and 333-3333                  |
| Smith     | 152-9854 and 152-9854 and 152-9854     |
+-----------+----------------------------------------+
2 rows in set (0.00 sec)

mysql> SELECT last_name, GROUP_CONCAT(mobile SEPARATOR ' and ') FROM people WHERE last_name != 'Cabral' GROUP BY last_name  HAVING COUNT(*)>1;
+-----------+----------------------------------------+
| last_name | GROUP_CONCAT(mobile SEPARATOR ' and ') |
+-----------+----------------------------------------+
| Johnson   | 333-3333 and 333-3333                  |
| Smith     | 152-9854 and 152-9854 and 152-9854     |
+-----------+----------------------------------------+
2 rows in set (0.00 sec)

mysql> SELECT first_name, birthday FROM people ORDER BY birthday;
+------------+------------+
| first_name | birthday   |
+------------+------------+
| Otto       | NULL       |
| Doug       | 1954-12-07 |
| Thomas     | 1955-01-25 |
| Noelle     | 1960-07-06 |
| Tony       | 1970-02-23 |
| John       | 1973-01-23 |
| Raj        | 1980-08-31 |
| Jane       | 1987-12-06 |
+------------+------------+
8 rows in set (0.00 sec)

mysql> SELECT first_name, birthday FROM people ORDER BY birthday DESC;
+------------+------------+
| first_name | birthday   |
+------------+------------+
| Jane       | 1987-12-06 |
| Raj        | 1980-08-31 |
| John       | 1973-01-23 |
| Tony       | 1970-02-23 |
| Noelle     | 1960-07-06 |
| Thomas     | 1955-01-25 |
| Doug       | 1954-12-07 |
| Otto       | NULL       |
+------------+------------+
8 rows in set (0.00 sec)

mysql>
mysql> SELECT first_name, last_name FROM people ORDER BY last_name, first_name;
+------------+-----------+
| first_name | last_name |
+------------+-----------+
| Doug       | Brown     |
| Tony       | Carbral   |
| Noelle     | Johnson   |
| Raj        | Johnson   |
| Jane       | Smith     |
| John       | Smith     |
| Thomas     | Smith     |
| Otto       | Von Count |
+------------+-----------+
8 rows in set (0.00 sec)

mysql>
mysql> SELECT first_name, birthday FROM people ORDER BY birthday DESC LIMIT 3;
+------------+------------+
| first_name | birthday   |
+------------+------------+
| Jane       | 1987-12-06 |
| Raj        | 1980-08-31 |
| John       | 1973-01-23 |
+------------+------------+
3 rows in set (0.00 sec)

mysql> SELECT first_name, MONTHNAME(birthday) as mon, birthday FROM people ORDER BY MONTH(birthday);
+------------+----------+------------+
| first_name | mon      | birthday   |
+------------+----------+------------+
| Otto       | NULL     | NULL       |
| Thomas     | January  | 1955-01-25 |
| John       | January  | 1973-01-23 |
| Tony       | February | 1970-02-23 |
| Noelle     | July     | 1960-07-06 |
| Raj        | August   | 1980-08-31 |
| Jane       | December | 1987-12-06 |
| Doug       | December | 1954-12-07 |
+------------+----------+------------+
8 rows in set (0.00 sec)

mysql> SELECT last_name, COUNT(*) FROM  people GROUP BY last_name;
+-----------+----------+
| last_name | COUNT(*) |
+-----------+----------+
| Brown     |        1 |
| Carbral   |        1 |
| Johnson   |        2 |
| Smith     |        3 |
| Von Count |        1 |
+-----------+----------+
5 rows in set (0.00 sec)

mysql> SELECT last_name, COUNT(*) FROM  people GROUP BY last_name ORDER BY NULL;
+-----------+----------+
| last_name | COUNT(*) |
+-----------+----------+
| Carbral   |        1 |
| Johnson   |        2 |
| Smith     |        3 |
| Brown     |        1 |
| Von Count |        1 |
+-----------+----------+
5 rows in set (0.00 sec)

mysql> INSERT INTO people (first_name, last_name, birthday, home_id)
    -> VALUES ('John', 'Smith', '1998-04-07', 4),
    -> ('Maya', 'Wasserman' , NULL, 4),
    -> ('Paul', 'Thompson', '1996-05-27', 1)
    -> ;
Query OK, 3 rows affected (0.01 sec)
Records: 3  Duplicates: 0  Warnings: 0

mysql> DELETE FROM people WHERE first_name='Maya';
Query OK, 1 row affected (0.01 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL |
|  8 | Otto       | Von Count | 656-6548 | NULL       |    NULL |
|  9 | John       | Smith     | NULL     | 1998-04-07 |       4 |
| 11 | Paul       | Thompson  | NULL     | 1996-05-27 |       1 |
+----+------------+-----------+----------+------------+---------+
10 rows in set (0.00 sec)

mysql> INSERT INTO people (first_name, last_name, birthday)
    -> VALUES ('Eli', 'Kramer', '1984-01-15');
Query OK, 1 row affected (0.01 sec)

mysql> select * from people;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL |
|  8 | Otto       | Von Count | 656-6548 | NULL       |    NULL |
|  9 | John       | Smith     | NULL     | 1998-04-07 |       4 |
| 11 | Paul       | Thompson  | NULL     | 1996-05-27 |       1 |
| 12 | Eli        | Kramer    | NULL     | 1984-01-15 |    NULL |
+----+------------+-----------+----------+------------+---------+
11 rows in set (0.00 sec)

mysql> select * from homes;
+----+----------------------------------------+------------+
| id | address                                | homenumber |
+----+----------------------------------------+------------+
|  1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
|  2 | 11 Essex Dr.Farmingdale, NY 11735      | 454-4544   |
|  3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
|  4 | 234 High Street, PA 19159              | 267-3940   |
+----+----------------------------------------+------------+
4 rows in set (0.00 sec)

mysql> SELECT p.first_name, h.address
    -> FROM people p
    -> INNER JOIN homes h on (p.home_id = h.id);
+------------+----------------------------------------+
| first_name | address                                |
+------------+----------------------------------------+
| Noelle     | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Thomas     | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Paul       | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Tony       | 11 Essex Dr.Farmingdale, NY 11735      |
| Raj        | 920 Arlington Street Clifton, NJ 07011 |
| Jane       | 920 Arlington Street Clifton, NJ 07011 |
| Doug       | 920 Arlington Street Clifton, NJ 07011 |
| John       | 234 High Street, PA 19159              |
+------------+----------------------------------------+
8 rows in set (0.01 sec)

mysql> SELECT first_name, last_name
    -> FROM people p
    -> INNER JOIN homes h on (p.home_id = h.id)
    -> WHERE p.HOME_ID = 1;
+------------+-----------+
| first_name | last_name |
+------------+-----------+
| Noelle     | Johnson   |
| Thomas     | Smith     |
| Paul       | Thompson  |
+------------+-----------+
3 rows in set (0.00 sec)

mysql> SELECT p.*, h.address, h.homenumber
    -> FROM people p
    -> INNER JOIN homes h  on (p.home_id = h.id)
    -> WHERE p.first_name  LIKE '%e%';
+----+------------+-----------+----------+------------+---------+----------------------------------------+------------+
| id | first_name | last_name | mobile   | birthday   | home_id | address                                | homenumber |
+----+------------+-----------+----------+------------+---------+----------------------------------------+------------+
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
+----+------------+-----------+----------+------------+---------+----------------------------------------+------------+
2 rows in set (0.00 sec)


Exercise//////////////////////////////////////////////////////////////

mysql> SELECT * FROM PEOPLE WHERE BIRTHDAY IS NOT NULL;
+----+------------+-----------+----------+------------+---------+
| id | first_name | last_name | mobile   | birthday   | home_id |
+----+------------+-----------+----------+------------+---------+
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL |
|  9 | John       | Smith     | NULL     | 1998-04-07 |       4 |
| 11 | Paul       | Thompson  | NULL     | 1996-05-27 |       1 |
| 12 | Eli        | Kramer    | NULL     | 1984-01-15 |    NULL |
+----+------------+-----------+----------+------------+---------+
10 rows in set (0.00 sec)

mysql> Select p.first_name, p.last_name, monthname(birthday) as mon, h.address from people p inner join homes h on (p.home_id = h.id)where birthday order by month( birthday);
+------------+-----------+----------+----------------------------------------+
| first_name | last_name | mon      | address                                |
+------------+-----------+----------+----------------------------------------+
| Thomas     | Smith     | January  | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Tony       | Carbral   | February | 11 Essex Dr.Farmingdale, NY 11735      |
| John       | Smith     | April    | 234 High Street, PA 19159              |
| Paul       | Thompson  | May      | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Noelle     | Johnson   | July     | 36 E. Bayberry Rd.Savannah, GA 31404   |
| Raj        | Johnson   | August   | 920 Arlington Street Clifton, NJ 07011 |
| Jane       | Smith     | December | 920 Arlington Street Clifton, NJ 07011 |
| Doug       | Brown     | December | 920 Arlington Street Clifton, NJ 07011 |
+------------+-----------+----------+----------------------------------------+
8 rows in set (0.00 sec)

mysql> select * from people left join homes on (people.home_id = homes.id);
+----+------------+-----------+----------+------------+---------+------+----------------------------------------+------------+
| id | first_name | last_name | mobile   | birthday   | home_id | id   | address                                | homenumber |
+----+------------+-----------+----------+------------+---------+------+----------------------------------------+------------+
|  3 | Noelle     | Johnson   | 333-3333 | 1960-07-06 |       1 |    1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
|  4 | Thomas     | Smith     | 152-9854 | 1955-01-25 |       1 |    1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
| 11 | Paul       | Thompson  | NULL     | 1996-05-27 |       1 |    1 | 36 E. Bayberry Rd.Savannah, GA 31404   | 565-6895   |
|  1 | Tony       | Carbral   | 230-4233 | 1970-02-23 |       2 |    2 | 11 Essex Dr.Farmingdale, NY 11735      | 454-4544   |
|  2 | Raj        | Johnson   | 333-3333 | 1980-08-31 |       3 |    3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
|  5 | Jane       | Smith     | 152-9854 | 1987-12-06 |       3 |    3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
|  6 | Doug       | Brown     | 466-6241 | 1954-12-07 |       3 |    3 | 920 Arlington Street Clifton, NJ 07011 | 985-4515   |
|  9 | John       | Smith     | NULL     | 1998-04-07 |       4 |    4 | 234 High Street, PA 19159              | 267-3940   |
|  7 | John       | Smith     | 152-9854 | 1973-01-23 |    NULL | NULL | NULL                                   | NULL       |
|  8 | Otto       | Von Count | 656-6548 | NULL       |    NULL | NULL | NULL                                   | NULL       |
| 12 | Eli        | Kramer    | NULL     | 1984-01-15 |    NULL | NULL | NULL                                   | NULL       |
+----+------------+-----------+----------+------------+---------+------+----------------------------------------+------------+
11 rows in set (0.00 sec)

movies Exercise////////////////////////////////

mysql> select * from movies
    -> ;
+----+-------------------+---------+-------------+------------+--------+
| id | title             | runtime | genre       | imdb_score | rating |
+----+-------------------+---------+-------------+------------+--------+
|  1 | howard the duck   |     110 | sci-fi      |        4.6 | pg     |
|  2 | lavalantula       |      83 | horror      |        4.7 | tv-14  |
|  3 | starship_troopers |     129 | sci-fi      |        7.2 | pg-13  |
|  4 | waltz_with_bashir |      90 | documentary |        8.0 | r      |
|  5 | spaceballs        |      96 | comedy      |        7.1 | pg     |
|  6 | monsters_inc.     |      92 | animation   |        8.1 | g      |
+----+-------------------+---------+-------------+------------+--------+
6 rows in set (0.00 sec)

mysql> select * from movies where genre = 'sci-fi';
+----+-------------------+---------+--------+------------+--------+
| id | title             | runtime | genre  | imdb_score | rating |
+----+-------------------+---------+--------+------------+--------+
|  1 | howard the duck   |     110 | sci-fi |        4.6 | pg     |
|  3 | starship_troopers |     129 | sci-fi |        7.2 | pg-13  |
+----+-------------------+---------+--------+------------+--------+
2 rows in set (0.00 sec)

mysql> select imdb_score from movies where imdb_score >= '6.5';
+------------+
| imdb_score |
+------------+
|        7.2 |
|        8.0 |
|        7.1 |
|        8.1 |
+------------+
4 rows in set (0.00 sec)

mysql> select title from movies where rating = 'g' or rating = 'pg' and runtime <100;
+---------------+
| title         |
+---------------+
| spaceballs    |
| monsters_inc. |
+---------------+
2 rows in set (0.00 sec)

mysql> select genre, avg(runtime) FROM movies where imdb_score < 7.5 group by genre;
+--------+--------------+
| genre  | avg(runtime) |
+--------+--------------+
| comedy |      96.0000 |
| horror |      83.0000 |
| sci-fi |     119.5000 |
+--------+--------------+
3 rows in set (0.00 sec)

mysql> select*from movies;
+----+-------------------+---------+-------------+------------+--------+
| id | title             | runtime | genre       | imdb_score | rating |
+----+-------------------+---------+-------------+------------+--------+
|  1 | howard the duck   |     110 | sci-fi      |        4.6 | pg     |
|  2 | lavalantula       |      83 | horror      |        4.7 | tv-14  |
|  3 | starship_troopers |     129 | sci-fi      |        7.2 | r      |
|  4 | waltz_with_bashir |      90 | documentary |        8.0 | r      |
|  5 | spaceballs        |      96 | comedy      |        7.1 | pg     |
|  6 | monsters_inc.     |      92 | animation   |        8.1 | g      |
+----+-------------------+---------+-------------+------------+--------+
6 rows in set (0.00 sec)

mysql> select id, rating from movies where genre = 'horror' or genre = 'documentary';
+----+--------+
| id | rating |
+----+--------+
|  2 | tv-14  |
|  4 | r      |
+----+--------+
2 rows in set (0.00 sec)

mysql> select max(imdb_score) from movies where rating = 'pg' ;
+-----------------+
| max(imdb_score) |
+-----------------+
|             7.1 |
+-----------------+
1 row in set (0.00 sec)

mysql> select avg(imdb_score) from movies where rating = 'pg' ;
+-----------------+
| avg(imdb_score) |
+-----------------+
|         5.85000 |
+-----------------+
1 row in set (0.00 sec)

mysql> select min(imdb_score) from movies where rating = 'pg' ;
+-----------------+
| min(imdb_score) |
+-----------------+
|             4.6 |
+-----------------+
1 row in set (0.00 sec)

mysql> select min(imdb_score) from movies where rating = 'g' ;
+-----------------+
| min(imdb_score) |
+-----------------+
|             8.1 |
+-----------------+
1 row in set (0.00 sec)

mysql> select max(imdb_score) from movies where rating = 'g' ;
+-----------------+
| max(imdb_score) |
+-----------------+
|             8.1 |
+-----------------+
1 row in set (0.00 sec)

mysql> select avg(imdb_score) from movies where rating = 'g' ;
+-----------------+
| avg(imdb_score) |
+-----------------+
|         8.10000 |
+-----------------+
1 row in set (0.00 sec)

mysql> select avg(imdb_score) from movies where rating = 'r' ;
+-----------------+
| avg(imdb_score) |
+-----------------+
|         7.60000 |
+-----------------+
1 row in set (0.01 sec)

mysql> select min(imdb_score) from movies where rating = 'r' ;
+-----------------+
| min(imdb_score) |
+-----------------+
|             7.2 |
+-----------------+
1 row in set (0.00 sec)

mysql> select max(imdb_score) from movies where rating = 'r' ;
+-----------------+
| max(imdb_score) |
+-----------------+
|             8.0 |
+-----------------+
1 row in set (0.00 sec)

mysql> select max(imdb_score) from movies where rating = 'tv-14' ;
+-----------------+
| max(imdb_score) |
+-----------------+
|             4.7 |
+-----------------+
1 row in set (0.00 sec)

mysql> select min(imdb_score) from movies where rating = 'tv-14' ;
+-----------------+
| min(imdb_score) |
+-----------------+
|             4.7 |
+-----------------+
1 row in set (0.00 sec)

mysql> select avg(imdb_score) from movies where rating = 'tv-14' ;
+-----------------+
| avg(imdb_score) |
+-----------------+
|             4.7 |
+-----------------+
1 row in set (0.00 sec)

mysql> select rating from movies group by rating having count(*)>1;
+--------+
| rating |
+--------+
| pg     |
| r      |
+--------+
2 rows in set (0.00 sec)

mysql> delete from movies where rating = 'r';
Query OK, 2 rows affected (0.01 sec)

mysql> select * from movies;
+----+-----------------+---------+-----------+------------+--------+
| id | title           | runtime | genre     | imdb_score | rating |
+----+-----------------+---------+-----------+------------+--------+
|  1 | howard the duck |     110 | sci-fi    |        4.6 | pg     |
|  2 | lavalantula     |      83 | horror    |        4.7 | tv-14  |
|  5 | spaceballs      |      96 | comedy    |        7.1 | pg     |
|  6 | monsters_inc.   |      92 | animation |        8.1 | g      |
+----+-----------------+---------+-----------+------------+--------+
4 rows in set (0.00 sec)