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文檔簡介
1、SQL教程...............................................................................................................................................12SQL簡介.................................................................
2、...........................................................................12什么是SQL?...............................................................................................................................12SQL能做什么
3、?...........................................................................................................................12SQL是一種標準但是....................................................................................
4、.........................12在您的網(wǎng)站中使用SQL...............................................................................................................12RDBMS................................................................
5、..........................................................................13SQL語法...........................................................................................................................................
6、.14數(shù)據(jù)庫表.........................................................................................................................................14SQL語句.....................................................................
7、..................................................................14重要事項.........................................................................................................................................14SQL語句后面的分
8、號?...............................................................................................................14SQLDML和DDL...............................................................................................
9、........................15SQL語句...........................................................................................................................16SQL語句...........................................................
10、...........................................................16SQL實例......................................................................................................................16SQL實例.............................
11、......................................................................................16在結果集(resultset)中導航...................................................................................................17SQLDISTINCT語句
12、........................................................................................................18SQLDISTINCT語句..................................................................................................18使
13、用DISTINCT關鍵詞...............................................................................................................18SQLWHERE子句.....................................................................................
14、.......................................20WHERE子句................................................................................................................................20使用WHERE子句.................................
15、.....................................................................................20Person:..............................................................................................................................
16、............30刪除某行.........................................................................................................................................30刪除所有行..........................................................
17、...........................................................................30SQLTOP子句..................................................................................................................................31TOP
18、子句.......................................................................................................................................31MySQL和acle中的SQLTOP是等價的......................................................31原始的
19、表(用在例子中的):........................................................................................................31SQLTOP實例................................................................................................
20、..............................32SQLTOPPERCENT實例.........................................................................................................32SQLLIKE操作符........................................................
21、......................................................................33LIKE操作符..................................................................................................................................33原始的表(用在例子
22、中的):........................................................................................................33LIKE操作符實例.....................................................................................................
23、.....................33SQL通配符........................................................................................................................................35SQL通配符...............................................
24、....................................................................................35原始的表(用在例子中的):........................................................................................................35使用%通配符.........
25、.....................................................................................................................35使用_通配符...............................................................................................
26、................................36使用[list]通配符................................................................................................................37SQLIN操作符.....................................................
27、..............................................................................38IN操作符.......................................................................................................................................
28、38原始的表(在實例中使用:)........................................................................................................38IN操作符實例............................................................................................
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