SQL Server

Create procedure sp_backdb @ dbname varchar ( 100 ), @ Path varchar ( 100 ) As -- Create by Allen 2004 - 11 - 01   In Order to backup database and verify Database Declare @ bakname varchar ( 100 ) -- Declare @

SQL Server database full-angle to half-Angle Create Function f_convert (@ STR nvarchar ( 4000 ),-- String to be converted @ flag bit -- Conversion flag, 0 to halfwidth, 1 to fullwidth) returns nvarchar ( 4000 ) As begin declare @ Pat nvarchar (

Introduction   Acid refers to the four features that transactions should have in a reliable database management system (DBMS): atomicity, consistency, and isolation), durability ). this is what a reliable database should have. the following

An error is prompted when you open the Enterprise Manager. At first, I thought it was an MMC problem. After downloading the latest XP MMC on ms, the result is still an error, but it was in English, now is a Chinese error message. It has been a few

ArticleDirectory First day of the quarter Last day of prior year Last day of current month First Monday of the month Every now and then, you need to take the current date and calculate some other date. for instance, you

Several system stored procedures use system tables to provide information about stored procedures. You can use these stored procedures: View the statements used to create a stored procedure. This is useful for users who do not have a

MajoritySQL ServerThe table needs to be indexed to speed up data access. If no index is available,SQL ServerYou must scan the entire table to read every record in the table to find the desired data. Indexes can be divided into cluster indexes and

A temporary table is different from a general table. It is saved to a tempdb table. The temporary table name is different from the table name you created, because it creates different temporary tables for the same operation of different people. 1.

SQL Server tool for writing stored proceduresThe enet Technical College is copyrighted. No one can copy it without permission! Those who violate the rules are required !!Many stored procedures are often written during database system development. To

Case It may be one of the keywords most misused in SQL. Although you may have used this keyword before to create a field, it also has more features. For example, you can Where Clause Case .First, let's take a look. Case . In normal

OS: Windows 2003 Enterprise Edition"Msvcr71.dll" appears when the installed directory is overwritten. Therefore, this applicationProgramFailed to start. Re-installing the application may fix the problem. "delete the original installation directory

Misunderstanding of SQL Server clustered index and primary key Many people may mix the primary key and clustered index, or think this is the same thing. This concept is very incorrect.   A primary key is a constraint attached to an index.

One of SQL Server's ideas for solving the hot page problem is using Table Partitioning. What is hot page? ApplicationProgramA large number of concurrent statements are sent to modify or insert records in the same table. The table Architecture

1. Create the sqlserverclrcallnet project in vs2005 and create clrfunction. CS View code Using System; Using System. Collections. Generic; Using System. text; Using Microsoft. sqlserver. server; Using System. Data. sqlclient; Using

Imports system. Data. sqlclientPublic class databasePrivate con as sqlconnection'// '// Execute the Stored Procedure'// '// name of the stored procedure '// return the Stored Procedure return value Public Function runproc (byval procname as string)

use [test] Go/****** object: Table [DBO]. [t_student] script Date: 10/12/2010 19:28:09 ******* // ******** sqlserver 2008 *********/ Set ansi_nulls ongoset quoted_identifier ongocreate table [DBO]. [t_student] ([ID] [int] Identity (1,1) not null,

Recursive CTE is one of the important enhancements in SQL Server 2005. Recursive queries are generally used when dealing with tree, graph, and hierarchy problems. The syntax of CTE is as follows:   Code highlighting produced by Actipro

If you have a shopping website, how do you recommend products to your customers? This function is available on many e-commerce websites. You can easily build similar functions through the data mining feature of SQL Server Analysis Services.   In the

I am developing a small project-"Graduation Design Management for students", which includes the student selection module, as shown in 1, the required function is to dynamically display information about a question when you place the cursor over the

In the query analyzer, perform the following three steps in sequence, where databasename is your database file name 1. Clear logs: dump transaction databasename WITH NO_LOG 2. truncate transaction logs: backup log databasename WITH NO_LOG 3. shrink