檢索全部數據

mysql> select *from pet; +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | Fluffy | Harold | cat | f | 1993‐02‐04 | NULL | | Claws | Gwen | cat | m | 1994‐03‐17 | NULL | | Buffy | Harold | dog | f | 1989‐05‐13 | NULL | | Fang | Benny | dog | m | 1990‐08‐27 | NULL | | Bowser | Diane | dog | m | 1979‐08‐31 | 1995‐07‐29 | | Chirpy | Gwen | bird | f | 1998‐09‐11 | NULL | | Whistler | Gwen | bird | NULL | 1997‐12‐09 | NULL | | Slim | Benny | snake | m | 1996‐04‐29 | NULL | +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ 8 rows in set (0.01 sec)

刪除表中全部數據

mysql> DELETE FROM pet; mysql> LOAD DATA LOCAL INFILE '/path/pet.txt' INTO TABLE pet;

更新表中特定記錄的數據

更新表中名字為Bowser的生日

mysql> UPDATE pet SET birth = '1989‐08‐31' WHERE name = 'Bowser';

查詢特定的行

查詢名字為Bowser的記錄

mysql> SELECT * FROM pet WHERE name = 'Bowser'; +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | Bowser | Diane | dog | m | 1989‐08‐31 | 1995‐07‐29 | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+

說明：字符串比較不區分大小寫！如下所示：

mysql> SELECT * FROM pet WHERE name = 'Bowser'; +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | Bowser | Diane | dog | m | 1979‐08‐31 | 1995‐07‐29 | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ 1 row in set (0.00 sec) mysql> SELECT * FROM pet WHERE name = 'BowsEr'; +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | Bowser | Diane | dog | m | 1979‐08‐31 | 1995‐07‐29 | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ 1 row in set (0.00 sec) mysql> SELECT * FROM pet WHERE name = 'BOWSER'; +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ | Bowser | Diane | dog | m | 1979‐08‐31 | 1995‐07‐29 | +‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+ 1 row in set (0.00 sec)

查找生日在1998年以后的特定查詢

mysql> SELECT * FROM pet WHERE birth >= '1998‐1‐1'; +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+ | name | owner | species | sex | birth | death | +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+ | Chirpy | Gwen | bird | f | 1998‐09‐11 | NULL | | Puffball | Diane | hamster | f | 1999‐03‐30 | NULL | +‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐+‐‐‐‐‐‐‐‐‐‐‐‐+‐‐‐‐‐‐‐+

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總結

以上是生活随笔為你收集整理的数据库-检索部分-查找-更新表记录的全部內容，希望文章能夠幫你解決所遇到的問題。

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