MySQL 学习记录(3)

Insert

auto_increment #如果序号不连续，将自动将序号中的最大值+1

INSERT [INTO] tbl_name [(col_name,....)] VALUES ( ..., ...)

INSERT [INTO] tbl_name SET col_name = value, .....           #一次只能插入一条,所有字段

INSERT [INTO] Table2(field1,field2,...) SELECT value1,value2,... FROM Table1    #Table2必须存在

SELECT vale1, value2 INTO Table2 FROM Table1    #Table2不存在

Update

UPDATE tbl_name SET column = value,..... [WHERE condition]  #更新一条数据或者一个表中的数据

Delete

DELETE FROM tbl_name [WHERE condition]

Select

AS

LIMIT start,number