SQL Server

Back up the database first, and then use the following method:Copy codeThe Code is as follows:USE MASTERGOSP_CONFIGURE 'Allow updates', 1 RECONFIGURE WITH OVERRIDEGOAlter database Database_Name SET EMERGENCYGOSp_dboption 'database _ name', 'single

Current idea: open a target database and open a source database because some table content in the target database is inconsistent with that in the source database, to import some tables from the source database to the target database, follow these

Yesterday, my colleague gave you a problematic database and asked me to fix it because the customer needed this database. This database only has one mdf file and one ldf file, When I attach a database, an error is reported. The database is

Recently, I am doing a paging query of several million pieces of data. I have studied various solutions and tested it with the actual database of the project on the local machine. The testing process is very, which is so painful that I cannot look

Copy codeThe Code is as follows:Create table Sale ([Id] [int] identity () not null, -- Automatic Growth[Name] [varchar] (16) not null,[SaleTime] [datetime] not null,Constraint [PK_Sale] primary key clustered -- create a primary key([Id] ASC))--

The solution is to delete other files on the hard disk to empty the hard disk space, change the size of the Database Log File to unlimited, and then separate the database to ensure that the separation is successful, and then delete the Database Log

Database optimization includes the following three parts: Database optimization, database table optimization, and program operation optimization. This article is part 3.Overview: program access optimization can also be considered as the optimization

During development, you will often encounter queries that require a combination of multiple conditions, such as three tables, Grade Table (GradeId, GradeName), Class (ClassId, ClassName, GradeId ), student (StuId, StuName, ClassId) is required. You

Preparations before replication:1. On the Publishing Server, the subscription server creates a windows user with the same name, and sets the same password as the valid user who accesses the snapshot folder.My computerControl PanelManagement

The new functions NOW_NUMBER and CTE of SQL Server 2005 can be well implemented.Example:Create test data:Copy codeThe Code is as follows:Create table Dup1(Col1 int null,Col2 varchar (20) null)Insert into Dup1 values(1, 'aaa '),(2, 'aaa '),(2, 'aaa ')

However, user A exists in database A, while user A cannot grant permissions to user A in the new MSSQL statement. Create A new user B. The table and other information created by user A cannot be accessed. The solution is found here:Run the following

Function:Returns part of a character, binary, text, or image expression. Syntax:SUBSTRING (expression, start, length) The substring function in SQL is used to capture part of a column. The function names are not exactly the same in different

The key points to solve this problem are as follows: 1. This phenomenon only appears in the NTFS file system. 2. Access Permissions Of the NTFS file system.   The solution for manual operations is as follows: 1. Control Panel-> Folder Options-> View

Copy codeThe Code is as follows:Alter Function UDF_Util_ConvertCurrencyToEnglish(@ Money Numeric (15,2 ),@ Unit varchar (10) = 'baht') Returns Varchar (400)As/*/// /// Convert money to english/// /// e.g. 1234.56 /// e.g. 'baht '/// english money

However, to obtain the number of records for all tables in a database, you would be exhausted by using the above method. HahaThe following describes how to use the sysindexes and sysobjects tables to obtain the number of records in each table of a

The first error "SQL Server does not exist or access is denied" is usually the most complicated. There are many causes of the error and there are also many problems to check.. Generally, there are several possibilities:1. the SQL Server name or IP

1. Introduction:As a DBA, you often need to check all databases or user tables, such as checking the capacity of all databases, checking the capacity of all user tables in the specified database, and the number of records in all tables ...,

Run the following script to create the test database and Table value parameters.Copy codeThe Code is as follows:-- Create DataBaseCreate database BulkTestDB;GoUse BulkTestDB;Go-- Create TableCreate table BulkTestTable (Id int primary key,UserName

This includes prompting pending operations, shrinking databases, compressing databases, transferring databases to new users with existing user permissions, checking backup sets, and restoring databases during installation.(1) pending operationsWhen

Copy codeThe Code is as follows:--> Title: generate a sequence number.--> Author: wufeng4552--> Date: 09:02:08If object_id ('dbo. get_china_str ') is not null drop function dbo. get_china_strGoCreate function dbo. get_china_str(@ Str nvarchar