sql server reset identity

, transverse partition table, reduce the size of the table (Sp_spaceuse) 3. Upgrade Hardware 4, according to query conditions, establish index, optimize index, optimize access mode, limit the data quantity of result set. Note that the fill factor should be appropriate (preferably with the default value of 0). The index should be as small as possible, with a small number of bytes of Lie Jian index Good (reference to the creation of the index), not to a limited number of characters Jianjian a sing

In daily SQL Server development, identity columns of the Identity type are often used as the auto-increment numbers of a table structure. For exampleArticleNumber, record number, and so on. The reference of the Self-increasing ID column greatly facilitates the databaseProgramDevelopment, but sometimes this stubborn fie

Fault description: when the server is restarted, the SQL Server may encounter a 1069 Server failure to start and log on. Solution: Method 1:My computer -- control panel -- Administrative Tools -- service -- Right-click MSSQLServer -- properties -- login identity -- sel

short, if it appears, note: 1, SQL Server does not have significant memory and disk bottlenecks. 2, the application issued a large number of concurrent statements to modify the same table, and the modification operation is concentrated on the same page, or a few pages, a hot page. 3, this bottleneck can not be solved by improving the hardware configuration, only modify the table storage, so that the change

define user permissions, and to specify user rights. This account information is maintained by SQL Server itself, so the information will not be lost after SQL Server has replaced the computer, without having to reset it.So if your project is in a larger network and has hig

ensures that when the server is reset to mixed Mode authentication at a later time, a blank or vulnerable SA is not present. To assign the SA password, use the following procedure: 1 Expand the server group, and then expand the server. 2) expand Security, and then click Login. 3 in the details pane, right-click th

, you have to uninstall SQL Server 2005, reinstall SQL Server 2000, and change it to the default instance. The SQL connection problem has been solved. Another problem is that we are using SQL

deleting corrupted text objects. These fixes may cause some data loss. The repair operation can be completed under the user transaction to allow the user to roll back the changes. If the rollback is fixed, the database will still contain errors and the backup should be restored. If an error fix is missing due to the severity of the severity level provided, it will omit any fix that depends on the fix. After the restoration, back up the database. -- Repair_fast Performs small and time-consumin

Tags: t-SQL statementsIncrement-INSERT statement:Insert into table name (column name, column name, column name)Values (data, data, data)For example, add Class 3 to the Zhang San score of 90 to the score table:INSERT INTO score table (name, Grade, Class)Values (Zhang San, 90, 3)• Column names can be added without the column name data will follow the table's field order write dataDelete-Remove statement:1. Delete from table name [where condition]The WHE

database, including the full path name. The database name must be specified with the keyword database. Connect Timeout (Connection timeout)/ Connection Timeout (Connection Timeout): The length of time (in seconds) that a connection to the server waits before terminating, with a default value of 15. Connection Lifetime (Connection Life time): When a connection is returned to the connection pool, its creation time is compared to the current time.

should immediately (rather than later) Take action to obtain another node. If the waiting time is too long, the node may exit production. Once there was such a project that I had to recreate nodes in the SQL Server 2000 cluster. I asked the operating system/network administrator to process the basic computer build, and then I put into work, added the built computer back to the cluster and prepared to use i

SQL Server Global VariablesIn SQL Server, global variables are a special type of variable, and the server maintains the values of those variables. Global variables begin with the @@ 前缀, do not have to be declared, they belong to the system-defined functions, they have no way

Label:Original: SQL Server Tuning series advanced (How to index tuning)ObjectiveIn the previous article we analyzed the role of statistical information in the database, and we have learned how the database uses statistics to control the distribution of the contents of tables in the database. Children's shoes are not clear and can be clicked for reference.As a tuning series of articles, the index of the data

Cause Analysis and Solution for SQL Server failure to contract log files, SQL Cause Analysis An error is reported when the server executes a job that compresses the log file size recently. One of my batch log shrinking scripts USE [master] GO/****** Object: StoredProcedure [dbo]. [ShrinkUser_DATABASESLogFile] Script D

grant the "Local Service" user group permission (not everyone), you should also be able to attach the database in the account of SA in SQL Server 2008. To do this, just grant the appropriate data files and log files to everyone's permissions are removed, and then grant the LocalService user group the appropriate data files and log file permissions, re-attempt to attach the corresponding database, found tha

If you want to redefine the serial number that is automatically generated and stored in the column when you add a new record to the table, you can change the identity property of the column. You can set the identity property of only one column in each table.A column with identity attributes contains system-generated contiguous values that uniquely identify each r

Label:Today the project manager came running to yell at me and say what I did before I made a lot of interfaces why didn't do it, I directly fire, before obviously not this thing ...But things still have to be solved, but fortunately, two projects are all used SQL Server, you can quickly solve the problem by cross-database view, save a lot of work. How to do it? Let's see below.text :Sometimes we have acces

From Internet The syntax differences between SQL Server and access are listed below, so that you can easily changeProgramDatabase query. Date separator numberAccess:Pound sign (#)SQL Server: marker (') BooleanConstantAccess: True, false; On, off; yes, no; INTEGER:-1 (true), 0 (false ).

No_infomsgs,physical_only Two methods of SQL Server log cleanup In the use of the process, we often encounter a very large database log, here are two ways to deal with ... Method One In general, the contraction of the SQL database does not greatly reduce the size of the database, its primary role is to shrink the log size, you should do this periodically to avoi

can also be used to a certain extent to reuse the cached execution plan, which reduces (but inevitably) the number of recompilation At the same time, this approach can also take advantage of the additional benefits of parameterization, such as SQL injection, compared to an ad hoc query that is executed with a SQL string. Summarize: There are many ways to solve the problem of parameter sniff. The most typi