SQLÒ»¸ö´æ´¢¹ý³Ìµ÷ÓÃÁíÒ»¸ö´æ´¢¹ý³Ì »ñµÃ·µ»ØÖµÎÊÌâ
µÚÒ»ÖÖ·½·¨: ʹÓÃoutput²ÎÊý
USE AdventureWorks;
GO
IF OBJECT_ID ( 'Production.usp_GetList', 'P' ) IS NOT NULL
DROP PROCEDURE Production.usp_GetList;
GO
CREATE PROCEDURE Production.usp_GetList @product varchar(40)
, @maxprice money
, @compareprice money OUTPUT
, @listprice money OUT
AS
SELECT p.name AS Product, p.ListPrice AS 'List Price'
from Production.Product p
JOIN Production.ProductSubcategory s
ON p.ProductSubcategoryID = s.ProductSubcategoryID
WHERE s.name LIKE @product AND p.ListPrice < @maxprice;
-- Populate the output variable @listprice.
SET @listprice = (SELECT MAX(p.ListPrice)
from Production.Product p
JOIN Production.ProductSubcategory s
ON p.ProductSubcategoryID = s.ProductSubcategoryID
WHERE s.name LIKE @product AND p.ListPrice < @maxprice);
-- Populate the output variable @compareprice.
SET @compareprice = @maxprice;
GO
ÁíÒ»¸ö´æ´¢¹ý³Ìµ÷ÓõÄʱºò:
Create Proc Test
as
DECLARE @compareprice money, @cost money
EXECUTE Production.usp_GetList '%Bikes%', 700,
@compareprice OUT,
@cost OUTPUT
IF @cost <= @compareprice
BEGIN
PRINT 'These products can be purchased for less than
$'+RTRIM(CAST(@compareprice AS varchar(20)))+'.'
END
ELSE
PRINT 'The prices for all products in this category exceed
$'+ RTRIM(CAST(@compareprice AS varchar(20)))+'.'
µÚ¶þÖÖ·½·¨:´´½¨Ò»¸öÁÙʱ±í
create proc GetUserName
as
begin
select 'UserName'
end
Create table #tempTable (userName nvarchar(50))
insert into #tempTable(userName)
Ïà¹ØÎĵµ£º
/*
ʹÓÃÊÂÎñÈÕÖ¾»Ö¸´Êý¾ÝµÄʵÑé
*/
--1.´´½¨²âÊÔÊý¾Ý¿â
CREATE DATABASE Db_test
ON
( NAME = Db_test_DATA,
FILENAME = 'c:\Db_test.mdf' )
LOG ON
( NAME = Db_test_LOG,
FILENAME = 'c:\Db_test.ldf')
GO
--2.¹ÊÕÏ»¹ÔÄ£ÐÍÉèÖÃΪfullÄ£ÐÍ,ĬÈϵļòµ¥Ä£Ðͱ¸·Ý ......
´óÅúÁ¿²åÈëÊý¾Ýʱ 1,myisam±í,¿ÉÒÔÏÈͨ¹ý alter table table_name disable keys;#ÏȹرձíµÄË÷Òý¼ì²é,×¢ÒâÊÇ·ÇΨһË÷Òý! load data infile ¡®/path/file¡¯ into table table_name; alter table table_name anable keys;#ÔÙ´ò¿ªË÷Òý ¿É´ó´ó¼Ó¿ìµ¼Èë.»¹ÓпÉÒÔÉèÖÃbulk_insert_buffer_sizeÖµÀ´Ìá¸ß²åÈëËÙ¶È ......
ÔÚExcelÖУ¬ÎÒÃÇʱ³£»áÅöµ½ÕâÑùµÄ×Ö¶Î(×î³£¼ûµÄ¾ÍÊǵ绰ºÅÂë)£¬¼´Óд¿Êý×ÖµÄ(ÈçûÓдøÇøºÅµÄµç»°ºÅÂë)£¬ÓÖÓÐÊý×ÖºÍÆäËü×Ö·û»ìºÏ (Èç“ÇøºÅ-µç
»°ºÅÂë”)µÄÊý¾Ý£¬ÔÚµ¼ÈëSQLServer¹ý³ÌÖУ¬»á·¢ÏÖҪô´¿Êý×ÖµÄÊý¾Ýµ¼¹ýÈ¥Ö®ºó±ä³ÉÁËNULL£¬ÒªÃ´¾ÍÊÇÊý×ÖºÍÆäËü×Ö·û»ìºÏµÄÊý¾Ýµ¼¹ýÈ¥Ö®ºó±ä³É
ÁËNULL¡£
&n ......
½ñÌìÓöµ½Ò»¸öÎÊÌ⣺
ÔÚÆ´Ò»Ìõ¶¯Ì¬SqlÓï¾äʱ£¬ÓÉÓÚÊÇÓÃ×ֶεÄÖµ×öÁÐÃû£¬ËùÒÔÁÐÃûÓõ½Á˺º×Ö¡£
Ò»ÔËÐУ¬±¨´í£ºÔÚ“¡¢”¸½¼þÓÐÓï·¨´íÎó¡£
ºÜÄÉÃÆ£¬ÄѵÀ³¬³¤ÁË£¿
³¢ÊÔÔÚÆóÒµ¹ÜÀíÆ÷ÖÐÌí¼ÓÕâ¸öÁÐÃû£¬·¢ÏÖÌí¼ÓÍêÖ®ºóϵͳ×Ô¶¯Ìí¼ÓÁËÒ»¶ÔÖÐÀ¨ºÅ£¬¶ÔÓÚ"aa¡¢bb","aa£¬bb"Ò²¶¼Ìí¼ÓÁËÖÐÀ¨ºÅ¡£
¿´À´ÊÇ΢ÈíΪÁËÒÔ·ÀÍòÒ»£¬Á¬ ......
2008µÄSSMS±È2005°æÒª¶àÏûºÄÒ»±¶×óÓÒµÄÄڴ棬¶øÇÒËƺõ²»»á×Ô¼ºÊÍ·Å£¬ÖÁÉÙÒ²ÊÇÄÚ´æ¹ÜÀí²»ÊǺܺÏÀí£¬ÍùÍù´ò¿ª¼¸¸ö²éѯ´°¿Ú½øÐвéѯºóÄÚ´æ¾Í»áÉýµ½ÄÑÒÔ200MBµ½300MB£¬ÇҹصôºóÄÚ´æ²»»áÊÍ·Å£¬¶ø2005µÄSSMSÒ»°ãÖ»ÊÇÔÚ100MB×óÓÒ¡£¶ÔÓµÓдóÄÚ´æµÄµçÄÔÀ´ËµÕâ¿ÉÄܲ»Ëãʲô£¬µ«¶ÔÄÚ´æÖ»ÓÐ1G»ò¸üÉÙµÄÓû§À´Ëµ£¬Õ⼸ºõÊDz»¿ÉÈÝÈ̵ģ¬ÒòÎ ......