DELETE語(yǔ)句用于從數(shù)據(jù)庫(kù)表中刪除記錄。以下是使用DELETE語(yǔ)句的正確方法:
DELETE FROM table_name;
DELETE FROM table_name WHERE column_name = value;
DELETE FROM table_name WHERE column_name1 = value1 AND column_name2 = value2;
請(qǐng)注意,在使用DELETE語(yǔ)句時(shí)要格外小心,因?yàn)閯h除操作是不可逆的,一旦執(zhí)行就無(wú)法恢復(fù)數(shù)據(jù)。因此,在執(zhí)行DELETE操作之前,請(qǐng)務(wù)必確保你要?jiǎng)h除的記錄是正確的。