MariaDB [toyu]> MariaDB [toyu]> SELECT * -> FROM enroll; +--------+---------+-------+----------+ | stuId | classId | grade | n_alerts | +--------+---------+-------+----------+ | 100000 | 10000 | A | 0 | | 100001 | 10000 | NULL | NULL | | 100002 | 10000 | B- | 3 | | 100000 | 10001 | A | 2 | | 100001 | 10001 | A- | 0 | | 100000 | 10002 | B+ | 1 | | 100002 | 10002 | B+ | 2 | | 100000 | 10003 | C | 0 | | 100002 | 10003 | D | 4 | | 100004 | 10003 | A | 0 | | 100005 | 10003 | NULL | NULL | | 100000 | 10004 | A- | 1 | | 100004 | 10004 | B+ | NULL | | 100005 | 10004 | A- | 0 | | 100006 | 10004 | C+ | NULL | | 100005 | 10005 | A- | 0 | | 100006 | 10005 | A | NULL | | 100005 | 10006 | B+ | NULL | | 100007 | 10007 | F | 4 | | 100008 | 10007 | C- | 0 | | 100007 | 10008 | A- | 0 | | 100000 | 11001 | D | 4 | +--------+---------+-------+----------+ 22 rows in set (0.001 sec) MariaDB [toyu]> SELECT stuId -> FROM enroll; +--------+ | stuId | +--------+ | 100000 | | 100000 | | 100000 | | 100000 | | 100000 | | 100000 | | 100001 | | 100001 | | 100002 | | 100002 | | 100002 | | 100004 | | 100004 | | 100005 | | 100005 | | 100005 | | 100005 | | 100006 | | 100006 | | 100007 | | 100007 | | 100008 | +--------+ 22 rows in set (0.001 sec) MariaDB [toyu]> MariaDB [toyu]> SELECT DISTINCT stuId -> FROM enroll; +--------+ | stuId | +--------+ | 100000 | | 100001 | | 100002 | | 100004 | | 100005 | | 100006 | | 100007 | | 100008 | +--------+ 8 rows in set (0.001 sec) MariaDB [toyu]> MariaDB [toyu]> SELECT DISTINCT f.facId, f.fname -> FROM faculty AS f -> WHERE rank = 'Professor'; +-------+---------+ | facId | fname | +-------+---------+ | 1011 | Paul | | 1015 | Daniel | | 1017 | Deborah | +-------+---------+ 3 rows in set (0.001 sec) MariaDB [toyu]> SELECT DISTINCT f.facId, f.lname -> FROM faculty AS f -> WHERE rank = 'Professor'; +-------+-------+ | facId | lname | +-------+-------+ | 1011 | Smith | | 1015 | Kim | | 1017 | Gump | +-------+-------+ 3 rows in set (0.001 sec) MariaDB [toyu]> SELECT DISTINCT f.facId, f.lname -> WHERE rank = 'Professor' -> FROM faculty AS f; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FROM faculty AS f' at line 3 MariaDB [toyu]> DROP SCHEMA IF EXISTS tinker; Query OK, 0 rows affected, 1 warning (0.001 sec) MariaDB [toyu]> CREATE SCHEMA tinker; Query OK, 1 row affected (0.006 sec) MariaDB [toyu]> USE tinker;CREATE TABLE s2 Database changed -> SELECT * FROM toyu.student; Query OK, 11 rows affected (0.037 sec) Records: 11 Duplicates: 0 Warnings: 0 MariaDB [tinker]> SELECT * -> FROM s2; +--------+-----------+----------+-------+-------+------+---------+ | stuId | fname | lname | major | minor | ach | advisor | +--------+-----------+----------+-------+-------+------+---------+ | 100000 | Tony | Hawk | CSCI | CINF | 40 | 1011 | | 100001 | Mary | Hawk | CSCI | CINF | 35 | 1011 | | 100002 | David | Hawk | CSCI | ITEC | 66 | 1012 | | 100003 | Catherine | Lim | ITEC | CINF | 20 | NULL | | 100004 | Larry | Johnson | ITEC | NULL | 66 | 1017 | | 100005 | Linda | Johnson | CINF | ENGL | 13 | 1015 | | 100006 | Lillian | Johnson | CINF | ITEC | 18 | 1016 | | 100007 | Ben | Zico | NULL | NULL | 16 | NULL | | 100008 | Bill | Ching | ARTS | NULL | 90 | NULL | | 100009 | Linda | King | ARTS | CSCI | 125 | 1018 | | 100111 | Cathy | Johanson | NULL | NULL | 0 | 1018 | +--------+-----------+----------+-------+-------+------+---------+ 11 rows in set (0.001 sec) MariaDB [tinker]> CREATE TEMPORARY TABLE s3 -> SELECT * FROM toyu.student; Query OK, 11 rows affected (0.004 sec) Records: 11 Duplicates: 0 Warnings: 0 MariaDB [tinker]> MariaDB [tinker]> SELECT * -> FROM s3; +--------+-----------+----------+-------+-------+------+---------+ | stuId | fname | lname | major | minor | ach | advisor | +--------+-----------+----------+-------+-------+------+---------+ | 100000 | Tony | Hawk | CSCI | CINF | 40 | 1011 | | 100001 | Mary | Hawk | CSCI | CINF | 35 | 1011 | | 100002 | David | Hawk | CSCI | ITEC | 66 | 1012 | | 100003 | Catherine | Lim | ITEC | CINF | 20 | NULL | | 100004 | Larry | Johnson | ITEC | NULL | 66 | 1017 | | 100005 | Linda | Johnson | CINF | ENGL | 13 | 1015 | | 100006 | Lillian | Johnson | CINF | ITEC | 18 | 1016 | | 100007 | Ben | Zico | NULL | NULL | 16 | NULL | | 100008 | Bill | Ching | ARTS | NULL | 90 | NULL | | 100009 | Linda | King | ARTS | CSCI | 125 | 1018 | | 100111 | Cathy | Johanson | NULL | NULL | 0 | 1018 | +--------+-----------+----------+-------+-------+------+---------+ 11 rows in set (0.001 sec) MariaDB [tinker]> show tables; +------------------+ | Tables_in_tinker | +------------------+ | s2 | +------------------+ 1 row in set (0.001 sec) MariaDB [tinker]> CREATE TABLE s4 LIKE toyu.student; Query OK, 0 rows affected (0.026 sec) MariaDB [tinker]> MariaDB [tinker]> SELECT * -> FROM s4; Empty set (0.003 sec) MariaDB [tinker]> INSERT INTO s4 -- population. -> SELECT * FROM toyu.student; Query OK, 11 rows affected (0.006 sec) Records: 11 Duplicates: 0 Warnings: 0 MariaDB [tinker]> SELECT * -> FROM s4; +--------+-----------+----------+-------+-------+------+---------+ | stuId | fname | lname | major | minor | ach | advisor | +--------+-----------+----------+-------+-------+------+---------+ | 100000 | Tony | Hawk | CSCI | CINF | 40 | 1011 | | 100001 | Mary | Hawk | CSCI | CINF | 35 | 1011 | | 100002 | David | Hawk | CSCI | ITEC | 66 | 1012 | | 100003 | Catherine | Lim | ITEC | CINF | 20 | NULL | | 100004 | Larry | Johnson | ITEC | NULL | 66 | 1017 | | 100005 | Linda | Johnson | CINF | ENGL | 13 | 1015 | | 100006 | Lillian | Johnson | CINF | ITEC | 18 | 1016 | | 100007 | Ben | Zico | NULL | NULL | 16 | NULL | | 100008 | Bill | Ching | ARTS | NULL | 90 | NULL | | 100009 | Linda | King | ARTS | CSCI | 125 | 1018 | | 100111 | Cathy | Johanson | NULL | NULL | 0 | 1018 | +--------+-----------+----------+-------+-------+------+---------+ 11 rows in set (0.001 sec) MariaDB [tinker]> DESC toyu.student; +---------+-----------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------+-----------------+------+-----+---------+-------+ | stuId | int(11) | NO | PRI | NULL | | | fname | varchar(30) | NO | | NULL | | | lname | varchar(30) | NO | | NULL | | | major | char(4) | YES | MUL | NULL | | | minor | char(4) | YES | MUL | NULL | | | ach | int(3) unsigned | YES | | 0 | | | advisor | int(11) | YES | MUL | NULL | | +---------+-----------------+------+-----+---------+-------+ 7 rows in set (0.017 sec) MariaDB [tinker]> DESC s2; +---------+-----------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------+-----------------+------+-----+---------+-------+ | stuId | int(11) | NO | | NULL | | | fname | varchar(30) | NO | | NULL | | | lname | varchar(30) | NO | | NULL | | | major | char(4) | YES | | NULL | | | minor | char(4) | YES | | NULL | | | ach | int(3) unsigned | YES | | 0 | | | advisor | int(11) | YES | | NULL | | +---------+-----------------+------+-----+---------+-------+ 7 rows in set (0.017 sec) MariaDB [tinker]> DESC s4; +---------+-----------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------+-----------------+------+-----+---------+-------+ | stuId | int(11) | NO | PRI | NULL | | | fname | varchar(30) | NO | | NULL | | | lname | varchar(30) | NO | | NULL | | | major | char(4) | YES | MUL | NULL | | | minor | char(4) | YES | MUL | NULL | | | ach | int(3) unsigned | YES | | 0 | | | advisor | int(11) | YES | MUL | NULL | | +---------+-----------------+------+-----+---------+-------+ 7 rows in set (0.022 sec) MariaDB [tinker]> UPDATE Student -> SET major = 'ITEC' -> WHERE StuId = 100000; ERROR 1146 (42S02): Table 'tinker.student' doesn't exist MariaDB [tinker]> use toyu; Database changed MariaDB [toyu]> MariaDB [toyu]> DROP SCHEMA IF EXISTS tinker; Query OK, 2 rows affected (0.025 sec) MariaDB [toyu]> UPDATE Student -> SET major = 'ITEC' -> WHERE StuId = 100000; Query OK, 1 row affected (0.004 sec) Rows matched: 1 Changed: 1 Warnings: 0 MariaDB [toyu]> UPDATE Student -> SET major = 'CSCI'; Query OK, 9 rows affected (0.007 sec) Rows matched: 11 Changed: 9 Warnings: 0 MariaDB [toyu]> source createtyou.sql ERROR: Failed to open file 'createtyou.sql', error: 2 MariaDB [toyu]> source createtoyu.sql Query OK, 0 rows affected (0.001 sec) Query OK, 0 rows affected (0.000 sec) Query OK, 0 rows affected (0.000 sec) Query OK, 8 rows affected (0.130 sec) Query OK, 1 row affected (0.001 sec) Database changed Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.000 sec) Query OK, 0 rows affected, 1 warning (0.010 sec) Query OK, 0 rows affected, 1 warning (0.012 sec) Query OK, 0 rows affected, 1 warning (0.013 sec) Query OK, 0 rows affected, 1 warning (0.019 sec) Query OK, 0 rows affected, 1 warning (0.015 sec) Query OK, 0 rows affected, 1 warning (0.019 sec) Query OK, 0 rows affected, 1 warning (0.020 sec) Query OK, 0 rows affected, 1 warning (0.014 sec) Query OK, 0 rows affected (0.004 sec) Query OK, 0 rows affected (0.005 sec) Query OK, 0 rows affected (0.005 sec) Query OK, 0 rows affected (0.004 sec) Query OK, 0 rows affected (0.004 sec) Query OK, 15 rows affected (0.007 sec) Records: 15 Duplicates: 0 Warnings: 0 Query OK, 4 rows affected (0.006 sec) Records: 4 Duplicates: 0 Warnings: 0 Query OK, 7 rows affected (0.005 sec) Records: 7 Duplicates: 0 Warnings: 0 Query OK, 11 rows affected (0.003 sec) Records: 11 Duplicates: 0 Warnings: 0 Query OK, 11 rows affected (0.009 sec) Records: 11 Duplicates: 0 Warnings: 0 Query OK, 14 rows affected (0.005 sec) Records: 14 Duplicates: 0 Warnings: 0 Query OK, 11 rows affected (0.005 sec) Records: 11 Duplicates: 0 Warnings: 0 Query OK, 22 rows affected (0.008 sec) Records: 22 Duplicates: 0 Warnings: 0 Query OK, 0 rows affected (0.001 sec) Query OK, 0 rows affected (0.001 sec) Query OK, 0 rows affected (0.000 sec) MariaDB [toyu]> notee