how to import dbf file into sql server 2008

Discover how to import dbf file into sql server 2008, include the articles, news, trends, analysis and practical advice about how to import dbf file into sql server 2008 on alibabacloud.com

Deprecated and unsupported features in SQL Server 2008

Everyone is waiting for the new features of Microsoft SQL Server 2008 to appear, but we should first know what is not recommended (deprecated) and unsupported (discontinued) features. The "Not recommended" feature refers to features that appear in legacy SQL

New features of XML in SQL Server 2008

SQL Server Technical Articles Author: Graeme Malcolm (Content Supervisor) Technical review: Dragan Tomic and Michael Rys Project Editor: Joanne Hodgins Release Date: August 2008 Applicable products: SQL Server 2008 Summary:

Methods for creating read-only users in SQL Server 2008 databases _mssql2008

In SQL Server 2008, in order to protect the security of the database, the need for different users to open different access user, then how to simply control the user's permissions? Below we will create a read-only user, for everyone to learn to use.

Data table compression in SQL Server 2008 detailed introduction to _mssql2008

required to create the index, so for partitioned tables, we can set the compression options individually to reduce the demand pressure on the temporary space. Since data compression in SQL Server 2008 is actually a superset of the vardecimal technology in

Also talk about SQL Server 2008 enhancements to processing implicit data type conversions in a run plan

Tags: lines implicit conditions for data ref data NET Rebuild + + In SQL Server queries, inadvertently hidden data type conversions can cause significant query performance problems. For example, there is a simple condition that does not seem to matter: where C = N ' x '. Suppose that the data type of c is varchar. And the table contains a lot of data, and this qu

Merge in SQL Server 2008 (not just merge)

The merge statement in SQL Server 2008 can do many things, and its function is to perform INSERT, update, or delete operations on the target table based on the source table. The most typical application is the synchronization of two tables.The following is a simple example of how the merge statement is used, assuming t

Also talk about SQL Server 2008 processing implicit data type conversions in execution plan enhancements

Label:In SQL Server queries, inadvertently hidden data type conversions can cause great query performance problems, such as a simple condition that looks like there is no problem: WHERE c = N ' x ', if the data type of c is varchar, and the table contains a large amount of data, This query can lead to significant performance overhead because this operation causes column C's data type to be converted to nvar

Processing of MS SQL Server 2008 databases in suspect cases

Back up the . mdf,. ndf, and . ldf files before you do any recovery operations. Use masterGo--Set the database in the suspect state to a state of emergencyALTER DATABASE Go--Set the database as a single user immediate rollback modeALTER DATABASE GoUse Go-Rebuild the log file, note to delete the old LDF file first, the log fi

New features about XML in SQL Server 2008

1 Introduction Microsoft has introduced XML-related features and Transact-SQL keyword FOR XML and OPENXML in Microsoft SQL Server 2000. This allows developers to write Transact-SQL code to obtain query results in the form of XML

How to index XML fields in SQL Server 2008

so, accounted for 1G of memory, and 1.3G disk. Please pay attention to your hard disk space when you build the index, or modify the previously inserted data program, less insert some data.5. Re-execute the above SQL statement:Select Id from XMLTablewhere Xmlcol.exist ('/tjvictor/item3 ') =1You will find that the results are instantaneous, the following is the execution plan, using the XML index seek.Summary: After the establishment of XML index, quer

SQL Server 2008 Error 15023: User or role already exists in the current database

Label:Fix SQL Server 2008 error 15023: User or role already exists in the current database, SQLServer2008, error 15023,When using SQL Server 2008, we often encounter a situation where a

New date-time data types in SQL Server 2008

SQL Server 2008 finally released the new version, although it was just another community beta rather than a full version. Whenever new software is released, the most problematic question to ask most is: What are some of the new features? SQL Server

SQL Server 2008 hides system objects in Object Explorer

Environment: SQL Server 2008 R2 Problem: Hiding system objects in Object Explorer Solve: The database node of Object Explorer contains system objects, such as system databases. Use the Tools/Options page to hide system objects. Some system objects, such as system functions and system data types, are not affected by

New features for policy Management in SQL Server 2008

Policy Management is a new feature in SQL Server 2008 that manages the various properties of database instances, databases, and database objects. Policy management under the SSMs Object Explorer database instance under the Administration node, as shown in the figure: As y

To resolve a new data type in a SQL Server 2008 database

For relational databases, a hierarchical structure that behaves like a tree is always a problem. Microsoft first tried to solve this problem in SQL Server 2005, which is what is called a universal Datasheet expression (Common table expressions,cte) implementation. Although the CTE works well in the existing database a

code security in SQL Server 2008 (i) Stored procedure encryption and security context _mssql2008

In fact, with this more than 10-year SQL Server, I've become a true fan of the stored procedures. When dealing with business logic directly using SQL statements or stored procedures, I basically choose the latter without hesitation. The reasons are as follows: 1, the use of stored procedures, at least

Database knowledge collation commonly used in SQL Server 2008

: COALESCE (Expression,value1,value2......,valuen)Instance:Select F_name,f_csrq,coalesce (F_CSRQ, ' 2015-10-10 ') as an important periodFrom t_studentarchives where f_name = ' 11 '(if F_CSRQ is null, the important period is 2015-10-10; otherwise, the important period is F_CSRQ)Select F_name,f_csrq,f_zz,coalesce (f_csrq,f_zz, ' 2015-10-10 ')As important period from t_studentarchives where f_name = ' 11 '(if F_CSRQ is null, then Judge F_zz again, understand ibid.)Simplified version: ISNULL () func

View performance-poor statements in SQL Server 2008

Use this statement frequently to view poorly-performing SQL statements:SELECTCreation_time N'Statement Compilation Time', Last_execution_time N'Last Execution Time', Total_physical_reads N'total number of physical reads', Total_logical_reads/Execution_count N'each logical read Count', Total_logical_reads N'total number of logical reads', Total_logical_writes N'total number of logical writes', Execution_count N'Number of executions', Total_worker_time/

asp.net in SQL Server 2008 set up services (SSIS)

asp.net in SQL Server 2008 set up services (SSIS) The Script task allows you to access Microsoft visual for the Application (VSTA Edition) Studio tool Environment, write and Execute scripts using VB and C # languages. The environment in China is the latest version of the n

Using object dependencies in SQL Server 2008

Previous versions of SQL Server did not do a good job of tracking object dependencies. The reason is that all object dependencies are tracked by object IDs, which means that the object must be present at the outset. However, tracking objects by object name, SQL Server 2008 g

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