数据库SQL语句教程大全

SQL语句教程(01) SELECT ........................................................................................................... 2 SQL语句教程(02) DISTINCT........................................................................................................ 2 SQL语句教程(03) WHERE............................................................................................................ 2 SQL语句教程(04) AND OR ........................................................................................................... 3 SQL语句教程(05) IN ...................................................................................................................... 3 SQL语句教程(06) BETWEEN....................................................................................................... 4 SQL语句教程(07) LIKE ................................................................................................................. 4 SQL语句教程(08) ORDER BY ...................................................................................................... 5 SQL语句教程(09) 函数 .................................................................................................................. 5 SQL语句教程(10) COUNT ............................................................................................................ 6 SQL语句教程(11) Group By .......................................................................................................... 6 SQL语句教程(12) HAVING ........................................................................................................... 7 SQL语句教程(13) ALIAS ............................................................................................................... 7 SQL语句教程(14) 连接 .................................................................................................................. 8 SQL语句教程(15) 外部连接 .......................................................................................................... 9 SQL语句教程(16) Subquery .......................................................................................................... 9 SQL语句教程(17) UNION............................................................................................................ 10 SQL语句教程(18) UNION ALL................................................................................................... 11 SQL语句教程(19) INTERSECT .................................................................................................. 11 SQL语句教程(20) MINUS............................................................................................................ 12 SQL语句教程(21) Concatenate.................................................................................................... 12 SQL语句教程(22) Substring ........................................................................................................ 13 SQL语句教程(23) TRIM .............................................................................................................. 14 SQL语句教程(24) Create Table ................................................................................................... 14 SQL语句教程(25) Create View .................................................................................................... 15 SQL语句教程(26) Create Index................................................................................................... 16 SQL语句教程(27) Alter Table ...................................................................................................... 16 SQL语句教程(28) 主键 ................................................................................................................ 18 SQL语句教程(29) 外来键 ............................................................................................................ 18 SQL语句教程(30) Drop Table...................................................................................................... 19 SQL语句教程(31) Truncate Table ............................................................................................... 20 SQL语句教程(32) Insert Into....................................................................................................... 20 SQL语句教程(33) Update ............................................................................................................ 20 SQL语句教程(34) Delete .............................................................................................................. 21