SQL Server

Recently, I encountered a problem about the setting of commitbatchsize and commitbatchthreshold in SQL Server transactional replication. The explanation in the BOL is vague: Commitbatchsize "is the number of transactions to be issued to

For relational databases, tree-like hierarchy is always a problem. Microsoft attempted to solve this problem for the first time in SQL Server 2005, that is, the implementation of common table expressions (CTE. Although CTE works well in the

Source: http://www.study-code.com/php-delphi/php/70546.htm Recently, someone asked me if I want to use PHP to connect to the SQL Server database during php development. I told them that mssql_connect ($ host, $ username, $ password) can be used for

Create trigger [updatetest] on [DBO]. [test] For insert, update, delete As Begin Declare @ Isinsert bit, @ Isupdate bit, @ Isdelete bit If exists (select 1 from inserted) and not exists (select 1 from deleted) Set @ isinsert = 1 Else Set @ isinsert =

1 OverviewConnecting to MSSQL in Linux is very painful because Microsoft did not provide any interfaces to developers. Fortunately, MSSQL is derived from Sybase, freetds is the underlying driver of the database. It is very convenient to use the

1. Install weblogic7 and jbuilder9 2. Download and install the patch package for SQL Server for Java on the Microsoft website. 3. Set the jbuileder9 environment after jbuilder9 is installed: Set the properties of the project to modify the temporary

[Source: it is also transferred. The original author is not verified.] 1. Understand your toolsDon't underestimate this. This is the most important one I have mentioned in this article. Maybe you also see a lot of SQL Server programmers don't master

SQL Server database Optimization Methods There are many causes for slow query speed in actual operations by cleverly optimizing the SQL Server database. The most common causes are as follows: no index or no index is used (this is the most common

Microsoft's SQLServer is one of the commonly used database management systems in small networks. Network database applications are also increasing. The normal operation of such network database application systems is generally dependent on existing

The following script executes full backup of a database in SQL Server and transfers the backup file to another Server. Backup File naming rules: Database name_timestamp. BAK. Execution Environment windows 2003 server SQL Server 2000 Source code:  @

The SQL Server service cannot be started due to logon failure.SymptomWhen you restart SQL Server, SQL Executive, or SQL Server Agent, the Service may fail to be started and the following error message is displayed: Error 1069: The service did not

Recently I encountered an SQL server 2000 file. ldf is damaged, but mdf is still there. So I tried to restore it. I found some methods on the Internet, Summary 1) back up the original database files (such as test. mdf) to other places in time2)

There are many reasons for slow query speed. The following are common causes: 1. No index or no index is used (this is the most common problem of slow query and is a defect in programming)2. Low I/O throughput, resulting in a bottleneck effect.3.

Move from my Netease blog ..... If SQL SERVER creates a primary key when creating a table without a clustered index, the primary key is a clustered index by default for a long time. Ah. In this way, the clustering index becomes the primary key.

In addition, EXEC () can also break through this restriction, as mentioned in inside SQL server t-programming: Concatenating VariablesIn SQL Server 2000, EXEC had an advantage over sp_executesql in terms of supporting longer input code. even though

After reading this book Beginning C # Databases for a few days, I feel that it has been well written and is very suitable for beginners. The examples in this book use the SQL database, but for convenience, the Code has always been adapted to ACCESS

1. Enable the SQL Server database xp_mongoshell Function -- To allow advanced options to be changed. EXEC sp_configure 'show advanced options', 1 GO -- To update the currently configured value for advanced options. RECONFIGURE GO -- To enable

Interview question: how to put such a tableYear month amount1991 1 1.11991 2 1.21991 3 1.31991 4 1.41992 1 2.11992 2 2.21992 3 2.31992 4 2.4Query such a resultYear m 1 M2 m3 m41991 1.1 1.2 1.3 1.41992 2.1 2.2 2.3 2.4 Answer  Code Code

Visual C # tutorial on Dynamically Operating SQL Server database instances (4 ):How to execute a stored procedure with Parameters The previous article introduced the SQL statement execution method with parameters and the stored procedure execution

1. Storage Partition the hard disk into NTFS format. NTFS is faster than FAT32, And you can view the size of your data file. You can use multi-database files for 1 GB or more, in this way, the access load can be distributed to multiple physical hard