SQL Server

An INSERT statement with output.@ @identity can only return the identity column that was last produced by the current session. If you insert more than one statement at a time. You need to return the identity columns for these automated productions.

The server port for SQL Server is 1433 by default, and the location of the server port is set here:650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "border=" 0 "style=" Background:url ("/e/u261/ Lang/zh-cn/images/localimage.png ")

SELECTSPID=er.session_id, Status=Ses.status,[Login] =Ses.login_name, Host=Ses.host_name, Blkby=er.blocking_session_id, DBName= db_name(er.database_id), CommandType=Er.command, SQLStatement=St.text, ObjectName= object_name(St.objectid),

#region Database image Access//// Import Pictures to Database /////// Export Pictures //// bitmap Public Bitmap Export (string SID) {byte[] imagebytes = null; SqlConnection SqlConnection = new SqlConnection (@ "Data

The value of n in the same classification is added to the value of M:1 SelectSub-category, Man=sum(Number of numbers) fromAwhere(Name='m' ORName='N') and2 3Sub-categoryinch(4 --Groups with M and N have at least one group5 SelectAn. Sub-category from6

As a result of the company's project, it has been working on the database for a while. Take advantage of this period of time, the knowledge of the database is a comb and induction, in order to later need, it is convenient to view.The database used

A trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are triggered primarily by an event that is automatically invoked to execute. The stored procedure can be called by the name of the

UPDATEMaindataSETContent=REPLACE(CAST(Content as VARCHAR(8000)) , 'XM00000137' , 'XM00000078')WHERE [Key]inch(SELECTMd_key fromIndex_md_inprojectWHEREMd_inproject= 'XM00000137')Using the Replace function, the format is:Update [table

1. Query installation collation options drink the current collation server propertiesSELECT * from fn_helpcollations ();2. View the collation of the current serverSelect SERVERPROPERTY (' Collation ') as servercollation;3. Modify the collation of

today's article, I want to give you a brief introduction to how the random Recordset is in SQL Server. 1 SELECT * from Person.person 2 ORDER by NEWID ()3GOthis introduces the new uniqueidentifier data type column, which SQL Server will perform

"Error description":SQL Server blocked access to the process ' Sys.xp_cmdshell ' of the component ' xp_cmdshell '. Because this component has been shut down as part of this service's security configuration. System administrators can enable '

IntroductionIn the previous article, I made a comprehensive exposition of the concept of the subject. This article then describes the securable objects that the principal is acting on and the corresponding permissions.Understanding securable Objects

Improve the efficiency and accuracy through well-formatted SQL statements, and improve the efficiency and accuracy of SQL statements Well-formatted SQL statements do not run better than messy SQL statements. In fact, the database is not very

How does SQL implement MYSQL recursive query and SQL implement MYSQL Recursion As we all know, the current mysql version does not support direct recursive queries, but the idea of recursive to iterative conversion can still implement tree recursive

SQL Server queries database tables using space information to implement scripts, SQL tables Use the undisclosed Stored Procedure sp_MSforeachtable provided by Microsoft  Create table # temp (TableName NVARCHAR (128), RowsCnt VARCHAR (11),

SQL statements implement four types of 9-9 multiplication tables and SQL statements The following four types of 9-9 multiplication tables of SQL statements written with the while and if conditions SQL statement implementation -- 9-9 multiplication

Enterprise Manager backs up and restores SQL Server databases In daily database operations, we often back up the database to facilitate restoration of the database in case of a database disaster, so as to ensure the security of the database. SQL

How to optimize SQL Server queries and SQL Server In today's article, I want to show you how to convey your work and thinking process to the query optimizer when you want to create an index for a specific query. Let's discuss it

Create, manage, and operate database tables (experiment 1) Today, we will learn how to create, manage, and operate tables in an experiment. [PURPOSE ]:Understand the use of the SQL language, further understand relational operations, and consolidate

The problem of SQL Server Remote connection failure is solved. When the charging system of the IDC is released remotely, you must ensure that the database can be remotely connected. However, an error is usually reported during connection: To solve