摘要:
下面是例子分析表A记录如下:aIDaNum1a200501112a200501123a200501134a200501145a20050115表B记录如下:bIDbName1200603240122006032402320060324034200603240482006032408创建这两个表SQL语句如下:CREATETABLEaaIDint(1)AUTO_INCREMENTPRIMARYKEY,aNumchar(20))CREATETABLEb(bIDint(1)NOTNULLAUTO_INCREMENTPRIMARYKEY,bNamechar(20))INSERTINTOaVALUES( 阅读全文