SQL×Ô¶¯Éú³ÉʵÌåÀà
declare @tablename varchar(20)
select @tablename = 'o_ems'
-------------Éú³É±äÁ¿,ʹÓñí¸ñÐÎʽ(ctrl + D)Êä³ö£¬È¡µÚÒ»¸ö×ֶεÄÖµ----------------------------------
select 'private '+
Case when t.name='varchar' Then 'string'
when t.name='char' Then 'string'
when t.name='datetime' Then 'datetime'
when t.name='int ' Then 'int'
when t.name='smallint' Then 'int'
when t.name='money' Then 'float'
when t.name='decimal' Then 'decimal'
when t.name='tinyint' Then 'byte'
else t.name end
+ ' _'+upper(substring(c.name,1,1))+lower(substring(c.name,2,(len(c.name)-1)))+';' as name /*,o.name,t.name,c.length,c.* ,isnull(m.text,'') */
from syscolumns c inner join sysobjects o on o.id=c.id
inner join systypes t on c.xtype=t.xtype
left outer join syscomments m on c.cdefault=m.id
where o.name =@tablename
order by c.id
-------------Éú³É·½·¨£¬Ê¹ÓÃÎı¾ÐÎʽ(ctrl + T)Êä³ö----------------------------------
select '/// <summary>' +char(13)+char(10)+'///'+char(13)+char(10)+'/// <summary>'+char(13)+char(10)
+ 'public '+ Case when t.name='varchar' Then 'string'
when t.name='char' Then 'string'
when t.name='datetime' Then 'datetime'
when t.name='int' Then 'int'
when t.name='smallint' Then 'int'
when t.name='money' Then 'float'
when t.name='decimal' Then 'decimal'
when t.name='tinyint' Then 'byte'
else t.name end
+ ' ' +upper(substring(c.name,1,1))+lower(substring(c.name,2,(len(c.name)-1)))+char(13)+char(10)
+ '{' +char(13)
Ïà¹ØÎĵµ£º
Ò»¡¢PowerDesignerÉú³ÉsqlÎÊÌâ
Éú³ÉsqlµÄ·½·¨ÊÇ Database -->Generate Database (Ctrl + G ) µ«ÊÇÌáʾ
Generation aborted due to errors detected during the verification of the model.
½â¾ö·½·¨: ½«check model È¥µô¾Í¿ÉÒÔÁË.ÆäÖУ¬one file onÊÇ·ñÐèÒª°´ÕÕ±íÉú³ÉÐí¶à¸ösql£¨Ä¬ÈÏÑ¡ÉÏ£¬¼´²»ÐèÒª£©
& ......
ÒýÓÃ×Þ½¨µÄ£º
Cod
SELECT
±íÃû=case when a.colorder=1 then d.name else '' end,
×Ö¶ÎÐòºÅ=a.colorder,
......
.PivotµÄÓ÷¨Ìå»á:
Óï¾ä·¶Àý:
select PN,[2006/5/30] as [20060530],[2006/6/2] as [20060602]
from consumptiondata a
Pivot (sum(a.M_qty) FOR a.M_date in ([2006/5/30],[2006/6/2])) as PVT
order by PN
Table½á¹¹ Consumptiondata (PN,M_Date,M_qty)
order by PN¿ÉÒª¿É²»Òª,²¢²»ÖØ ......
Àý×Ó£ºÕÒ³öÿ¸ö¸èÊÖÏúÁ¿×î¸ßµÄ3Ê׸è
create table singer_info
(
id int primary key identity(1,1),
name varchar(20),
song varchar(20),
amount int
)
insert into singer_info values('jay','aaa',1000)
insert into singer_info values('jay','bbb',2000)
insert into singer_info values('jay','cc ......
ÄÚÈÝÕªÒª£ºÔÚPL/SQL¿ª·¢¹ý³ÌÖУ¬Ê¹ÓÃSQL£¬PL/SQL¿ÉÒÔʵÏִ󲿷ݵÄÐèÇ󣬵«ÊÇÔÚÄ³Ð©ÌØÊâµÄÇé¿öÏ£¬ÔÚPL/SQLÖÐʹÓñê×¼µÄSQLÓï¾ä»òDMLÓï¾ä²»ÄÜʵÏÖ×Ô¼ºµÄÐèÇ󣬱ÈÈçÐèÒª¶¯Ì¬½¨±í»òij¸ö²»È·¶¨µÄ²Ù×÷ÐèÒª¶¯Ì¬Ö´ÐС£Õâ¾ÍÐèҪʹÓö¯Ì¬SQLÀ´ÊµÏÖ¡£±¾ÎÄͨ¹ý¼¸¸öʵÀýÀ´ÏêϸµÄ½²½â¶¯Ì¬SQLµÄʹÓᣡ¡¡¡
¡¡¡¡±¾ÎÄÊÊÒ˶ÁÕß·¶Î§£ºOracle³ ......