SQL Server

SQL Server supports many different types of backups, but the most common are full, differential, and transaction log backups. In the final analysis of which backup to use also refer to the recovery model of the database, such as the simple recovery

DECLARE @DeptName varchar, @LoadCount float, @TransCount float, @HisLoad float, @HisTrans float, @Status varchar (50), @PushDate datetime, @EditDate datetime declare @date datetime set @date =convert (Datetime,convert (Varchar,getdate ()- 2,23))

If you execute an SQL statement without parameters, SQL Server internally parameterize the statement to increase the likelihood of matching it to an existing execution plan. This process, known as simple parameterization (in SQL Server 2000, called

Today, when doing data analysis report, encountered a problem like this.The table structure is as follows. Department code, department name, department personnel ID (separated by commas)I want to check out a new dataset by linking to the people

1, the role of filegroups and filesSQL Server data is stored in a file, which is the physical entity that actually stores the data, the filegroup is a logical object, and SQL Server manages the file through a filegroup.A database has one or more

Create PROCEDURE [dbo]. [Xiao_adduser] @username NVARCHAR,@password NVARCHAR, @adddate Datetimeasbegininsert into Dbo.xiao_user (username,password,adddate) VALUES (@username, @password, @adddate); ENDan easy-to-make error procedure or

1 , SUBSTRINGfunction: returns part of a character, binary, text, or image expressionSyntax: SUBSTRING (expression, start, length)The substring function in SQL is used to grab a portion of a field data. The name of this function is not exactly the

Recently tested schema change issues for updatable subscriptions, and a bug was found.In replication, when schema changes are made to the publication database at the publication database, the structure is automatically synchronized to the

Control Panel-management tool-ODBC data source (64-bit)-System dns-Add (name "Test", Server Fill ".") Description Optional)The database accessed here is AdventuerworksThe data source is configured so you can test it, and here's the Java code:Public

The company's official website server is developed by the. NET language SQL Server database, the website background login to the SQL database, now out of a problem, every day login backstage will be error, to restart SQL Server to enter, the problem

1 /*2 The data are as follows:3 name Val Memo4 a 2 A2 (second value of a)5 the first value of a 1 a1--a6 the third value of a 3 a3:a7 the first value of the B1--b B 18 the third value of B3:b B 39 B 2 b2b2b2b2Ten B 4 B4b4 One B 5 B5b5b5b5b5 A */ - --

In this issue of performance Tuning training , I would like to discuss in detail the plan cache and its side effects in SQL Server. As you learned last week, each logical query that is submitted to SQL Server is compiled into a physical execution

Configure the database's mail settings before you can send messages.2.3.4.5.6.7.8.9.10.The total preview map,Execute this paragraph (send backup mail first, then make data backup, insert yesterday's send data into another table, so that the data in

Use [Master]GOALTER DATABASEF360dwSETRECOVERY Simple withno_waitGOALTER DATABASEF360dwSETRECOVERY Simple--Simple ModeGO UseF360DWGODBCCShrinkfile (N'F360dw_log', One, Truncateonly)/*--Dnname_log here if you do not know what the name is in

(i) Enable SQL Server authentication modeLog on as Windows authentication after you install SQL Server R2Right-click on the server node, select Properties, select the Security page, radio SQL Server and Windows Authentication mode(ii) Enable user

exec sp_help; Returns all stored procedures in the current database.The EXEC sp_help datebase.dbo.table name returns all objects in the current table. such as field names. This hangingEXEC sp_helpfile returns the physical name and properties of the

Original: SQL Server R2 regularly backs up the database and sends an email notificationConfigure the database's mail settings before you can send messages.2.3.4.5.6.7.8.9.10.The total preview map,Execute this paragraph (send backup mail first, then

SQL Server storage mechanism　　1. SectionA section (extent) is a basic storage unit used to allocate space for tables and indexes. It consists of 8 contiguous 64KB data pages.The main points of the concept of allocating space based on segments rather

SQL Server system stored procedures are also good hundreds of, forget it, or write a few commonly used.　　1, sp_help Inquiry form InformationTo execute a stored procedure:　　sp_help personThe results appear as follows:　　Mom a B, with this picture, you

Forwarded from: http://www.cnblogs.com/rainman/archive/2012/03/13/2393975.html 1. Overview 2, the connection string of the wording 3. SqlConnection object 4. SqlCommand object 5. SqlDataReader Object 6. DataSet Object