SQL Server

Question 1: Use the. net2005 sql-express not connected. Workaround: 1. Network firewall block database connection; 2. Default sql-express does not start sa account-> download a Management Studio Express Interface tool Management sql-express 3.

The data types in SQL Server 2005 are grouped into the following categories: Exact number bigint Decimal Int Numeric smallint Money tinyint SmallMoney Bit

This article describes a small technique for generating XML in SQL Server 2000. In the previous introduction of SQL2K has been mentioned in the SQL2K of XML support, using the FOR XML statement can easily translate the results of execution into an

Data integrity is the key to any database system. Regardless of how well the system is planned, the problem of NULL data values always exists. This article explores the 3 issues involved in handling these values in SQL Server: counting, using null

SQL Server 6.5, as a network database service system for small and medium-sized enterprises, provides the same performance as many advanced database managers, and challenges the traditional database vendors. In program design: SQL Server 6.5

An alert responds to a specific event. Alerts respond to the following event types: 1.SQL Server Event: You can specify an alert to respond to one or more events. Use the following parameters to specify the event that triggers the alert: Error

I. BACKGROUND In the context of replication, transactional publishing is the most widely used, and I have a scenario where there are basic and group two tables in the task database, and you need to provide some of the fields in the two tables to

CLUSTERED: Clustered index. Nonclustered index: nonclustered. Clustered is the physical implementation of data ordering, and the same table can only have one clustered index, and nonclustered is the logical sort. Microsoft's SQL Server supports

SQL Server dynamic Row-column (parameterized table name, grouped column, row-column field, field value) I. Content covered by this article (Contents) What is involved in this article (Contents) Background (contexts) Implementation code (SQL

SQL Server contains several different types of pages to meet the needs of your data store. Regardless of the type of page, their storage structure is the same. Each data file contains a significant number of 8KB pages, each page has 8192bytes

When we use tables in a database, we often encounter two ways to use a table, which is to use temporary tables and table variables. How can we use them flexibly in a stored procedure when we are actually using them, although they are basically the

Brief introduction Understanding SQL Server Management of memory is fundamental to SQL Server problem handling and performance tuning, and this article describes the memory principles of SQL Server for memory management. Second-level storage

As mentioned earlier, recovery interval can control how much of the modified data SQL Server retains in memory. In fact, we have a question not to say. That is, the modified data in memory is written back to disk, which means that the data version

XML Auto Features and T-SQL commands As a DBA, I tend to focus on performance issues, so I want to make sure that using XML (an Extensible Markup language) does not have an impact on performance. In this article, I'll show the difference in

When writing a database application, we can dynamically create, modify, and target the database through SQL statements. In this article, I'll show you how to use Visual C # to dynamically manipulate SQL Server databases, including how to create a

Problem Attaching and restoring a database from one server instance to another is a common task that database administrators perform. After attaching or recovering a database, the logins previously created and configured in the database are no

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, this should be done periodically to avoid the database log too large. 1, set the database mode to Simple

The benefit of the view, which is to split the table vertically, and to perform the actions on the view that are on the table, such as Insert, Update, Delete. These operations are as large as the corresponding operations on the table, but there are

The transaction log (Transaction logs) is a very important but often overlooked part of the database structure. Because it is not as active as the schema in the database, few people are concerned about the transaction log. The transaction log is a

Tablediff is a console that can compare data between tables in SQL Server. Also, because it's packaged in SQL Server, you don't need to buy additional tools if you want to check the lookup table in a different database environment. In different