1.插入記錄--insert into insert into table_name(field1,field2,field3) values(value1,value2,value3); 也可以不用指定列名,但values後面的順序應該和列的排列順序一致 insert into table_name values(value1,value2,value3); 或同時插入多條記錄 insert into table_name(field1,field2,field3) values(value1,value2,value3),(value1,value2,value3),(value1,value2,value3); 也可以僅對指定的列插入值,對那些沒指定列則會使用默認值,若在創建表時沒指定默認值,則爲null insert into table_name(field1,field2) values(value1,value2); 2.修改記錄--update update table_name set field1=value1,field2=value2 where . . . mysql> select * from zhuzhu; +------+--------+------+------+ | id | myname | id1 | age | +------+--------+------+------+ | NULL | zhang3 | NULL | NULL | | NULL | li4 | NULL | NULL | +------+--------+------+------+ 2 rows in set (0.00 sec) mysql> update zhuzhu set id=1 where myname='zhang3'; Query OK, 1 row affected (0.05 sec) Rows matched: 1 Changed: 1 Warnings: 0 mysql> select * from zhuzhu; +------+--------+------+------+ | id | myname | id1 | age | +------+--------+------+------+ | 1 | zhang3 | NULL | NULL | | NULL | li4 | NULL | NULL | +------+--------+------+------+ 2 rows in set (0.01 sec) 3.刪除記錄-delete from delete from table_name where ... #若沒有where則是刪除表中的所有的數據
mysql之對錶記錄的操作
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