SQL Server

When querying a SQL Server database, can you query the number of records by percentage? The answer is yes. This article we introduce this implementation method. The code to implement this feature is as follows: CREATE PROCEDURE Pro_toppercent

If you are trying to open a. MDF database file, what do you do when you find that you don't have a SQL Server database installed? At this point, if you happen to have visual Studio 2005 or a higher version on your machine, you can open the. mdf

================= Paging ========================== Copy Code code as follows: /* Pagination Lookup Data * * CREATE PROCEDURE [dbo]. [GetRecordSet] @strSql varchar (8000),--query SQL, such as SELECT * from [user] @PageIndex int,

Copy Code code as follows: /*01. Introduction to 02.sql XML: --by Jinjazz --http://blog.csdn.net/jinjazz 05. 06.1, XML: Ability to recognize elements, attributes, and values 07. 08.2, XPath: Addressing language, lookup similar

SQL Server Service failed to start due to logon failure Symptoms When you restart SQL Server, SQL Executive, or SQL Server Agent, you may not be able to start the service and display the following error message: Error 1069:the Service did not start

This article focuses on the actual wipe steps for web.config correctly configuring the SQL Server database connection, in Figure 5-6, select the Add new debug-enabled Web.config file radio button, and in Figure 5-6, after clicking OK, in the

Yesterday and friends on the Internet talking about the application of SQL statements, my friend's remote server appears to be unable to connect the phenomenon, the problem is due to the remote server reached the maximum number of connections, in

I. Clustered indexThe page level of a clustered index contains an index key and a data page, so the answer to what is stored in the leaf level of a clustered index other than the key value is everything, that is, all the fields in each row are

Once met, almost crazy, there is a friend of MSSQL, just try it and delete the following components. Of course, the premise is that you have to do your own database after the deletion, or the component removed many functions can not be used, in

1. If there is an ID field, it is a unique field Copy Code code as follows: Delect table where ID not in ( Select Max (ID) from table GROUP by col1,col2,col3 ... ) The field followed by the GROUP BY clause is the

By default, SQL Server saves 7 ErrorLog files, named: ErrorLog Errorlog.1 Errorlog.2 Errorlog.3 Errorlog.4 Errorlog.5 Errorlog.6 In APACS OS version 6.1, the ErrorLog file is saved in the C:\Program Files\Microsoft SQL Server\mssql$wincc\log folder.

--Simple Case functionCase SexWhen ' 1 ' THEN ' male 'When ' 2 ' THEN ' woman 'Else ' other ' end--case search functioncase when sex = ' 1 ' THEN ' man 'When sex = ' 2 ' THEN ' female 'Else ' other ' end In both of these ways, you can achieve the

SQL Server traversal tables are typically used in cursors, and SQL Server can easily loop through a cursor to implement SQL Server traversal of records in a table. This article will introduce the use of table variables and cursors to implement the

In SQL Server, you can invoke a DOS command-line tool bcp to generate a text file for either the data in the table or the SQL statement results. Parameter format for bcp command: Copy Code code as follows: BCP {dbtable | query} {in |

In SQL Server, the inner join,outer Join that is common between tables and tables is executed by the engine based on the selected column, whether the data is indexed, and the selectivity of the selected data is converted to loop Join,merge Join,hash

Try this tool to configure yourself today. First, a database is established in the database, named TestDB, and a new SQL Server login name (TESTDB) is created and the default database TestDB TestDB is specified. And then it starts to be

Environment: SQL Server 2008 R2 Question: Query table Structure command A friend familiar with MySQL and Oracle databases knows that you can query the structure of a table with DESC, but executing the DESC command in SQL Server will make an error.

The software company that Dbforge SQL decryptor This tool is Devart, a more famous software company that produces various database AIDS and programming tools, just like Redgate. Official website:http://www.devart.com/ Software Download Address:

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Most people who have used SQL Server know that the port number that the SQL Server server listens on by default is 1433, but the problem I

Talk about composite indexesWrite index blog Too much, has not wanted to write, there are two reasons:One is the suspicion that there are fried leftovers, brothers have said: Index, as long as the query criteria to build the index on the line,