SQL Server

11 10000l 2009transact-sql Debugger for SQL Server 2008-Part 2 This blog will go over what you need to know for setting up your environment for remote debugging along with best practices and other things to consider when using the debugger in SSMs.

By default, SQL Server is case insensitive to field values. For example, if the data value is "admin", but where username = 'admin' can also be queried, it is even worse if it is a password, haha. If Program Internal verification is performed in

Create a table: Create Table [testtable] ([ID] [int] identity (1, 1) not null,[Firstname] [nvarchar] (100) Collate chinese_prc_ci_as null,[Lastname] [nvarchar] (100) Collate chinese_prc_ci_as null,[Country] [nvarchar] (50) Collate chinese_prc_ci_

Problem: Network-related or instance-specific errors occur when you establish a connection with SQL Server. The server is not found or cannot be accessed. Verify that the Instance name is correct and SQL server is configured to allow remote

Sp_dropextendedproc 'xp _ export shell'Sp_dropextendedproc 'xp _ regaddmultistringSp_dropextendedproc 'xp _ regdeletekey'Sp_dropextendedproc 'xp _ regdeletevalue'Sp_dropextendedproc 'xp _ regenumkeys'Sp_dropextendedproc 'xp _

1. To optimize the query, try to avoid full table scanning. First, consider creating an index on the columns involved in where and order. 2. Try to avoid null value determination on the field in the WHERE clause. Otherwise, the engine will

  Keywords: SQL Server System Table Storage Process I. SQL Server System Table Microsoft SQL Server is a scalable and high-performance database management system designed for Distributed Client/Server environments, SQL Server stores almost all

With many new features, we can see that in SQL Server 2005 and SQL Server 2008, Microsoft has introduced some dynamic management views to help identify potential index candidates based on query history. These dynamic management views are: N sys. dm_

If object_id ('tempdb .. # temptable1 ') is not null drop table # The above Type of temptable1 is not checked. # temptable1 may be the name of view or procedure, the complete check is as follows: if exists (select * From tempdb. DBO. sysobjects

[Introduction: the basic theories of locks used by various large databases are consistent, but their implementations vary. SQL Server emphasizes that the system manages locks. When a user has an SQL request, the system analysis request automatically

Set statement options After you create or modify a stored procedure, the database engine will save set quoted_identifier and setAnsi_nulls settings. These original settings are used when the stored procedure is executed. Therefore, when

Question: SQL Server database development-stored procedure application Author: cultivator Note: Due to limited personal abilities, errors or omissions may inevitably occur in the article. Please forgive me! At the same time, you are welcome to point

Obtain two random records from table A and use select top 10 * From ywle order by newid ()Order by is generally sorted by a certain field. The return value of newid () is uniqueidentifier. How does order by newid () randomly select records?Newid ()

Processing When the divisor in SQL Server is "0" In SQL Server, when the divisor is 0, what should I do?In such a situation, the version solved is that this operation cannot be executed, and the operation can be pre-determined before the division

The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd thh: mm: Ss. Mmm.For example:Select getdate ()11:06:08. 177I sorted out the date format conversion methods that may be frequently used in SQL Server:Example:Select

/* -- Handle deadlocks View the current process or deadlock process and automatically kill the dead Process Because it is intended for dead, if there is a deadlock process, you can only view the deadlock ProcessOf course, you can use Parameter

So far, you have only tried to use an SQL statement to retrieve data from a table. You can also use a SELECT statement to retrieve data from multiple tables at the same time. You only need to list the names of the tables from which data is to be

If exists (select * From sys. objects where object_id = object_id (n' [DBO]. [get_strofindex] ') and type in (n'fn', n'if', n'tf', n'fs', n'ft ')) Drop function [DBO]. [get_strofindex] Go Create Function get_strofindex ( @ STR varchar (1024 ), @

The SQL Server data import of the VM Virtual space has been troublesome. So far, no virtual space can be directly restored to the database backup on FTP. If yes, we recommend it. Generally, we use the data import and export method to import a local

1. Related Concepts If you need to save the query results and display the statistical results under the query results, you can use the compute by clause. The compute clause is used to generate a total and list it as an additional summary at the end