SQL Server

I recently reinstalled the system and encountered some problems when installing the database. The following error is always prompted, During the installation process, I only specified the installation directory of the database and checked the

1. Split the string by the specified symbol and return the number of elements after the split. The method is very simple, that is, to check the number of separators in the string, and then add one, which is the required result. Create Function get_

I have been reading JSP books for a while. It looks quite simple. At least not that difficult. It is not much different from. net. but an error occurred when I wrote Code based on the example in the book. I use netbeans6, which is much inferior

Alter procedure mktg_differencedailyreport @ Customername varchar (100 ), @ Shipdate datetime As Begin Set nocount on Declare @ Noreceivedpackages varchar (2000 ), @ Currbilltrackid varchar (30 ), @ Currpackageid varchar (30) Select a. billtrackid,

To obtain the data of the columns in a table, you must first understand the five system tables in sqlserver. Sysobjects, syscolumns, policypes, sysindexes, sysindexkeys Sysobjects, each database has a system table that records all database

In many cases, we accidentally delete the file, update the file, or delete the database directly. What should we do? Next, let me teach you how to learn the current two tricks. What should we do when we accidentally delete a table? Before

In earlier posts I already blogged about creating some simple queuing solutions with SQL Server service broker. last week I spend some time actually implementing my research in a customer project and of course ran into two 'Interesting' issues.

In project development, many people may encounter such customer requirements: the user must record the user's ID, time, and modified content when operating the key records of the database, if necessary, roll back the recorded content at a certain

In SQL Server, we often use "Local packages" to import and export databases or perform other complicated operations. However, after creating a new database, how can these packages be transferred? Currently, I know two relatively simple methods: 1.

As a network manager, no matter whether the size of the managed network is large or small, in addition to maintaining the stable operation of the network, eliminating network faults in a timely manner, and protecting network security, key data in

SQL Server T-SQL As follows: Table Structure:Field name ID title contentInt char (200) TextInsert into news (title, content) values (@ title, @ content) In fact, the content field cannot exceed 8000 bytes ). Sqlserver imposes restrictions on

Ident_current () always returns the id value inserted at the end of the specified table @ Identity: return the id value of the current session. No matter whether it is in the same scope or not, in test 1 and 2, you can see that it returns the id

As we all know, indexes can improve the performance of database tables. However, indexing can also improve the performance of the database view. I am afraid there are not many people who know it. In fact, a view is also called a virtual table. The

After installing SQL Server, the system prompts that the installation is not on, suspended, and so on. Type: Original Site ArticleTime: 2006-6-7 Author: Zhao Yang URL: N/ Hit: 563 dayhit: 1 weekhit: 562 An error occurred while installing

What are check constraints? A check constraint is a rule that confirms the acceptable Field Values of data in a record in an SQL Server table. Check constraints to help execute domain integrity. Domain integrity defines the valid values of fields

Through indexing, you can speed up data query and reduce system response time, and speed up the connection between tables. However, it is not always possible to use indexes at any time. If the index is used improperly, it will be counterproductive.

  From: msdn Forum posts Create a test table testtable,Insert the following two rows of data: InsertInto testtable values(1,'Aaa ') InsertInto testtable values(2,'Bbbbb ') Then, perform the following operations. Update testtableSet myname

"SQL Server 2000 reporting services learning notes" (1) use of the report manager and configure security through role allocation _____________________________________________________________________________BIP → Rs → xmlrdl → XML Because the

Method 1: If no data is needed, you can directly clear all data and restore the auto-increment field to count from 1. Truncate table name Method 2: Set dbcc checkident (''table _ name'', RESEED, new_reseed_value) to new_reseed_value. If the row is

Declare @ maxVersion int, @ strYear varchar (2), @ strMonth varchar (2), @ strYearMonth varchar (4) Set @ strYear = Right (Cast (Datepart (yy, Getdate () AS varchar (4), 2) Set @ strMonth = Cast (Datepart (mm, Getdate () AS varchar (4 )) If (Len (@