Because looking at Oracle, I always thought SQL Server was stupid.
It's rumored that SQL 2005 has something rowid to solve the top sort problem. Unfortunately, there is no chance to experience it. When you write a stored procedure in SQL 2000, you
First, Introduction
In November 2005, Microsoft released three new product lines: Visual Studio 2005,sql Server 2005 and. NET Framework 2.0 (it includes ASP.net 2.0). SQL Server 2005 is the most recent version of Microsoft's database platform since
First, Introduction
In November 2005, Microsoft released three new product lines: Visual Studio 2005,sql Server 2005 and. NET Framework 2.0 (it includes ASP.net 2.0). SQL Server 2005 is the most recent version of Microsoft's database platform
Server
Rich data types Richer-Types
1, varchar (max), nvarchar (max), and varbinary (max) data types can hold up to 2GB of data and can replace text, ntext, or image data types.CREATE TABLE myTable(ID INT,Content VARCHAR (MAX))
2. XML data typeXML
This article belongs to theUnderstand the mysteries of performance-slow in applications, fast in SSMS"seriesNext: Understanding the Mysteries of performance-application slow, SSMs fast (5)--case: How to deal with parameter sniffingWe put aside the
MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,
If there is no primary key, you can use a temporary table or solution 3, but the efficiency is low.We recommend that you add primary keys and indexes during optimization to improve query efficiency.The SQL query analyzer displays a comparison: my
A recent article on MSDN Magazine on the Tips for writing high-performance Web applications mentions effective data paging technology for improving ASP. NET program performance, and gives an example of stored procedure to implement data paging,
/*Recursive query for Paint poly---implementation in a SQL Server 2005 environment:*/--Generate test dataCREATE TABLE Dept (ID int,parentid int,msg varchar (20))Insert INTO Dept select 1,0, ' d 'Insert INTO Dept Select 2,1, ' s 'Insert INTO Dept
Create the following stored procedure in the master database--Handle Deadlocks--View the current process, or deadlock process, and automatically kill the dead process--because it's dead, you can only view the deadlock process if there is a deadlock
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