Mega Code Archive
Remove two tables at the same time
<![CDATA[
/*
mysql> select * from timeTable;
+------+-------+------+
| year | month | day |
+------+-------+------+
| 2001 | 01 | 01 |
| 2002 | 06 | 20 |
| 2003 | 05 | 30 |
| 2004 | 02 | 02 |
| 2005 | 04 | 23 |
| 2006 | 03 | 23 |
| 2001 | 01 | 01 |
| 2002 | 06 | 20 |
| 2003 | 05 | 30 |
| 2004 | 02 | 02 |
| 2005 | 04 | 23 |
| 2006 | 03 | 23 |
+------+-------+------+
12 rows in set (0.01 sec)
mysql> INSERT INTO copy_timeTable
-> SELECT * FROM timeTable
-> WHERE year=2001;
Query OK, 2 rows affected (0.01 sec)
Records: 2 Duplicates: 0 Warnings: 0
mysql> show tables;
+----------------+
| Tables_in_t |
+----------------+
| copy_timetable |
| sales |
| timetable |
+----------------+
3 rows in set (0.01 sec)
mysql> DROP TABLE copy_TimeTable, TimeTable;
Query OK, 0 rows affected (0.02 sec)
mysql> show tables;
+-------------+
| Tables_in_t |
+-------------+
| sales |
+-------------+
1 row in set (0.00 sec)
*/
Drop table timeTable;
Drop table copy_timeTable;
CREATE TABLE timeTable (
year YEAR(4),
month INT(2) UNSIGNED ZEROFILL,
day INT(2) UNSIGNED ZEROFILL
);
CREATE TABLE copy_timeTable (
year YEAR(4),
month INT(2) UNSIGNED ZEROFILL,
day INT(2) UNSIGNED ZEROFILL
);
INSERT INTO timeTable VALUES(2001,1,1),
(2002,6,20),
(2003,5,30),
(2004,2,2),
(2005,4,23),
(2006,3,23);
select * from timeTable;
INSERT INTO copy_timeTable
SELECT * FROM timeTable
WHERE year=2001;
show tables;
DROP TABLE copy_TimeTable, TimeTable;
show tables;
]]>