SQL Server

Confusing Data Types in SQL Server Author: ss_yingzi/blueidea Release Date: 10:49:03 | (1)Char, varchar, text, nchar, nvarchar, ntextCharThe length of a varchar is between 1 and 8000. The difference

Notes: [1] Recovering from MDF file to SQL Server database In the project, if you want to recover data from the MDF database to the SQL Server database, perform the following operations:1. log on to mssms (Microsoft SQL Server Management

/// /// Compare the data types in the database with those in C # /// /// /// Private string changetocsharptype (string type) { String reval = string. empty; Switch (type. tolower ()) { Case "int ": Reval = "int32 "; Break; Case "text ": Reval =

Http://msdn.microsoft.com/zh-cn/library/ms162169.aspx Editor loading... SQL Server Management object (SMO) is a set of objects designed to program all aspects involved in management of Microsoft SQL Server. SQL Server copy management object (RMO)

  InArticleThe SQL Server View is actually an SQL statement. When the view is called, it dynamically executes the defined SQL statement and returns the result set. After SQL server2005, Microsoft launched the index view. The index view is

In the use of SQL Server, views are inevitable and frequently used. So what is a view? In summary, a view is an SQL statement written by the user. Let's name the SQL statement in this section, which is called the view name. If you want to use the

Error message: Note:An error occurred while executing the current Web request. Check the stack trace information to learn about this error and CodeDetailed information about the cause of the error. Exception details:System. Data. sqlclient.

There are two tables: Table 1: Message ID: ID; Sendid: the sender id; Recid: Number of the recipient (if it is 0, the recipient is the owner ); Messageid: ID of the insite email; Statue: view the insite email status, Readtime: read

1. backupfile Each record in the table corresponds to a backup of data files or log files in the database. The fields in the table describe the attributes of the files during Backup. In general, it is a detailed table of backup files. Main

Session status is ASP. NET applicationProgramOne of the statuses, which is characterized by users. Each session corresponds to a user, that is, throughout the user's access process, data stored in the session state is stored in the media of the

Common causes and solutions for blocking: 1. Due to the blocking caused by the long running time of the statement, the statement itself is running normally and only needs to wait for some system resources. Solution: A. Is there room

Learning materials, use for memo 1. Shared lock The shared lock allows concurrent transactions to read (select) resources under the closed concurrency control. When there is a shared lock (s lock) on the resource, no other things can modify the

The following is my daily maintenance summary, reference for attack, and constant improvement: 1. Check the CPU occupied by SQL Server. Check whether the server CPU is stable. Use the Windows Task Manager to check the CPU usage. 2. Check whether

Directly letCodeNow, let's take a look at the comparison. Of course, this situation is suitable for extracting a large number of fields.   Poor performance: With # temp as (select column1, column2, column3, column4, column5, column6, column7,

Isolation of SQL Server users is a common problem. I have summarized it in detail today and hope it can help you. When the user database is migrated from one SQL Server using backup and recovery methods to another server. After the database is

Recently, some jobs in the database cannot be executed very healthily. However, it is very troublesome to log on to the DB server to view error logs during monitoring, and jobs are generally important, for example, back up a database or clear a

-- ===================================================== ======-- Author: Shu mu-- Create Date: 2011-02-15-- Description: SQL script used by SQL Server to back up a database (LAN)-- ===================================================== ======Create

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Create Table tablet (A nvarchar ( 100 ),B nvarchar ( 100 ),C nvarchar ( 100 ))Bulk insert codematic .. tablet from ' C: \

From:Http://blog.sina.com.cn/s/blog_4d4290b20100bg27.html Most SQL Server tables require indexes to speed up data access. If no indexes are available, SQL Server performs a table scan to read each record in the table to find the

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Import Java. SQL. * ; Public   Class DB{ Public   Static   Void Main (string [] ARGs){ Try { // Connect to an SQL Server 2005