SQL Öн«Ò»¸ö±íת»¯³É½¨±íÓï¾äµÄ´æ´¢¹ý³Ì
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
CREATE proc pGetInsertSQL (@TableName varchar(256))
as
begin
set nocount on
declare @sqlstr varchar(4000)
declare @sqlstr1 varchar(4000)
declare @sqlstr2 varchar(4000)
select @sqlstr='select ''insert '+@tablename
select @sqlstr1=''
select @sqlstr2=' ('
select @sqlstr1= ' values ( ''+'
select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case
-- when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'
when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end'
when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =61 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'
when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
when a.xtype =62 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'
when a.xtype =56 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end'
when a.xtype =60 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'
when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''
Ïà¹ØÎĵµ£º
ÁгöTableAÖÐÓеĶøTableBÖÐûÓÐ, ÒÔ¼°BÖÐÓжøAÖÐûÓеļǼ£º
ÆäÖÐÁ½¸ö±íµÄ½á¹¹Ïàͬ£¬Ñ¡ÔñµÄKey¿ÉÒÔ¶à¸ö
Select Key from
( select * from TableA
Union select * from TableB
)
group by Key
having count(Key)=1
ÁгöTableAÖÐÓеĶøTableBÖÐûÓеļǼ£º
Select Key from
( (select * from TableA
Un ......
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database db ......
mysqlµ¼ÈësqlÎļþ:Mysqlµ¼Èëµ¼³ö.sqlÎļþ
²½ÖèÈçÏ£º
Ò».MYSQLµÄÃüÁîÐÐģʽµÄÉèÖãº
×ÀÃæ->ÎҵĵçÄÔ->ÊôÐÔ->»·¾³±äÁ¿->н¨->
PATH=“£»path\mysql\bin;”ÆäÖÐpathΪMYSQLµÄ°²×°Â·¾¶¡£
¶þ.¼òµ¥µÄ½éÉÜÒ»ÏÂÃüÁîÐнøÈëMYSQLµÄ·½·¨£º
1.C:\>mysql -h hostname -u username -p
°´ENTER ......
ºÍjava.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinalÕ½¶·Á˰ëÌ죬º¹°¡£¡
ʹÓÃjpa + strut+ hibernate ¾Í±¨org.hibernate.QueryException: JPA-style positional param was not an integral ordinal
Ò»°ã°ÑhqlÓï¾äдÔÚÒ»ÐУ¬»áºÜ³¤£¬ÔÚideÖÐÐèÒ ......