A few days ago, when I upgraded a communtiy Server database from SQL 2000 to SQL 2005, I ran into a weird problem that reported the following error:
violation of PRIMARY KEY constraint ' pk_cs_threads '. Cannot insert duplicate key in object ' Dbo.cs_threads '.
After the analysis, we found that the table's self-increasing field database has reached 6144, and th
List of directories in this document:1, what is the granularity of time?2. The granularity of time provided by SQL Server3. SQL Server time granularity code demo4. SQL
Is_broker-enabled to 1The New_broker option, explained in SQL Server Books Online:Each database contains a Service Broker identifier. The service_broker_guid column of the sys.databases catalog view displays the Service Broker identifier for each database in the instance. Service Broker routing uses Service Broker identifiers to guarantee that all messages for a session are passed to the same database. The
The number of records in the SQL server computing table, the current auto-increment value, and the occupied space are not SELECTTableNameobj. name, TotalRowsprt. rows, Identity_CurrentIDENT_CURRENT (obj. name), [SpaceUsed (KB)] SUM (alloc. used_pages) * 8FROMsys. objectsobjJOINsys. indexesidxonobj. object_idi
No SELECTTableName = obj. name, TotalRows = prt. rows,
How to use SQL server for the first time-writing to a newbie and SQL server to a newbie
1. Put the DATA table given by the instructor in the directory [C: \ Program Files \ Microsoft SQL Serv
Label:--When many connect to your database, this error "has exceeded the lock request timeout period"--just put the next-to-face stored procedure in your master database and execute it. 1 UsePratice2 SETAnsi_nulls on
3 SETQuoted_identifier on
4 Go
5
6 Create PROC [dbo].[sp_killallprocessindb] @DbName VARCHAR( -)
7 as
8 IF db_id(@DbName)= NULL
9 BEGIN
Ten PRINT 'DataBase dose not Exist'
One END
A ELSE
- BEGIN
- DECLARE @killspId VARCHAR( -)
the DECLARETmpcursorCURSOR
- for
- SELECT 'Ki
For the first time, SQL Server appeared on the top ten rankings of "all environments" (This ranking includes all databases running in Microsoft Windows and non-Windows environments ), this indicates that SQL Server has ranked among the OLTP databases with the largest number
SQL Server queries all users who have purchased products in a certain period of time, and SQL server has bought
The goods table is as follows:
Name time productA 13:23:00 WFEYB 15:23:00; 34 ASGA 13:47:20 SGHC 19:56:03 HRTC 14:00
As a performance tool of the Microsoft SQL Server database series, SQL Server Profiler can track the running status of databases in real time and find slow queries or deadlocked SQL statements, to optimize the system. This article
Using the GETDATE () in the SQL Server date function to get the current date, you will be presented with a method that uses the SQL Server date function to get the present date.
But what if we just need to get the current date, d
deleting the primary table records.When you delete a data record, you tend to think of the delete and TRUNCATE statements immediately, but when you encounter a constraint between two or more tables, both statements may fail, and most of all, both commands can only manipulate one table at a time. So what do you do when you actually encounter all the records in the SQL S
We can use set statistics Io and set statistics time to analyze the performance of T-SQL statements.
The method is as follows:
In the SQL Server Query analyzer, run:
Set statistics profile onset statistics Io onset statistics time ongo -- // The
background : When you recently migrated SQL Server database 2008, when you created a user mapping. SQL Server error: User, group, or role ' XXX ' already exists in the current database. Error: 15023.here 's how to fix it.650) this.width=650; "title=" QQ picture 20160908093
1. Use SET STATISTICS TIME ON
-- First clear the cache
Dbcc dropcleanbuffers;
Dbcc freeproccache;
-- Run
Set statistics time on;
SELECT orderid, custid, empid, shipperid, orderdate, filler
FROM dbo. Orders
WHERE orderdate> = '123'
AND orderdate
Set statistics time off;
GO
You will get a similar message:
SQL
enable_broker; Executes the above 2 statements without any waiting, prompting the command to complete. SELECT is_broker_enabled from sys.databases WHERE name = ' DBNAME ' View Is_broker-enabled to 1 The New_broker option, explained in SQL Server Books Online: Each database contains a Service Broker identifier. The service_broker_guid column of the sys.databases catalog view displays the Service Broker iden
Code for converting the local time and UTC time of SQLServer. For more information, see.
Code for converting the local time and UTC time of SQL Server. For more information, see.
The Code is as follows:
DECLARE @ LocalDate DATE
Original: [SQL Server] executes the. SQL script in the folder at onceThe initial database, we developers will prepare a lot of. SQL scripts to create tables, view even initial data, how to execute the *.sql in the folder at one time
Tags: tar c http GET com fileIn the process of database migration, how to set up a bad user and login can cause " error 15023: User or role already exists in the current database."Now tidy up the idea:1, database backup ***.bak file in the original database;2, in the new database, establish the same login name as the original database;3, restore the backup database file ***.bak file on the new database, select overwrite the original database file;4 .
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