SQL Server

SQL Server connections can be roughly divided into three types: internal connections, external connections, and cross connections. I. Inner join) Use the comparison operator to compare data in a certain column between tables and list the data

From:Microsoft adding in-memory capabilities to SQL Server At the SQL Server professional organization Summit held this week, Microsoft announced that,The memory technology will be implemented in the next SQL Server version, codenamed hekaton,

Original translated from: http://blog.csdn.net/zzcv_/archive/2008/03/05/2150690.aspx SQL Server risks. Dangerous: no firewall protection, exposed to the public network.Consequence: SQL worms and hackers conduct denial-of-service attacks, cache

Create procedure DBO. uspoutputdata @ tablename sysname as declare @ column varchar (1000) Declare @ columndata varchar (1000) Declare @ SQL varchar (4000) declare @ xtype tinyint declare @ name sysname declare @ objectid int declare @ objectname

Want to know how to install SQL Server in XP! One trick.Open regedit, find HKEY_LOCAL_MACHINE/software/Microsoft/MSMQ, and change the value of "AB (default)" to 2 ''' to restart. then you can install Microsoft SQL Server.Nice. 

Today, I encountered the following problem when studying SQL Server 2005: In the exercise, I created a table "person" with five fields, set the ID to the primary key, and set it to auto-increment,   After data is inserted for multiple times, the

  You can use SQL Server Management studio to manage data, such as renaming a database. You may encounter a running connection that cannot be operated. In this case, it is necessary to disconnect all the connections.CodeAs follows: (all

In SQL, once there are many jobs and the stored procedures executed in them are unknown, the following statements can be used to query the stored procedures of the job, replace '% MSDB %' with the name of the stored procedure you want to queryCode

Scope_identity Returns the last identity value inserted into the identity column in the same scope. A scope is a module-stored procedure, trigger, function, or batch processing. Therefore, if the two statements are in the same stored procedure,

Implementation Method: Sqlconnection conn = new sqlconnection (system. configuration. configurationsettings. deleettings ["conn"]); Sqldataadapter da = new sqldataadapter ("select * From tb1", Conn ); Dataset DS = new dataset (); Da. Fill (DS,

An index is like a book directory. You can quickly find data in a table without scanning the entire table. You can easily search for directories, but you also need paper to store the directory information. If you add or delete the contents of a book

Original article translated from: http://database.ctocio.com.cn/452/8976452.shtmlbecause of the high popularity of SQL Server, there are also a large number of auxiliary tools that make DBA feel dazzled, in order to avoid confusion in these tools

VC ++ connects to SQL Server using ADO   I. Reference ADO database Use # import to introduce the ADO library file and reference it in the program's header file (for example, stdafx. h ).   Code highlighting produced by Actipro CodeHighlighter

During system creation, you may often encounter the process of importing an Excel table submitted by the Department. It seems that there are many methods. Here we will introduce the above operations through the Excel import function of sqlserver. OK.

1. Simple QueryA simple Transact-SQL query only includes the select list, from clause, and where clause. They respectively describe the queried columns and the queriedTables or views, and search conditions. For example, the following statement

    // Filename: absolute path of the Excel file Private dataset readexcel2 (string filename){If (filename. Trim (). Length = 0){Return NULL;} If (! System. Io. file. exists (filename )){Return NULL;}String strconn = "provider = Microsoft. Jet.

ASCII (character_expression) returns the ASCII code value of the leftmost character Char (integer_expression) Unicode (ncharacter_expression) returns the integer of the first character of the input expression according to the definition of the

In the process of database program development, we often encounter the use of exec to execute an SQL statement that needs to return certain values (usually used to construct dynamic SQL statements ), or, in a stored procedure, you can use exec to

 // Connect to the database Sqlconnection conn = new sqlconnection (); Conn. connectionstring = "Data Source = Karl; initial catalog = ER; persist Security info = true; user id = sa; Password = sa "; Sqlcommand command = new sqlcommand ("select max

ICreate release Select a database server to create a distribution server for the Publishing Server (the distribution server and the Publishing Server can be the same database server), and the distribution server can be a local server or remote