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About T-SQL and SQL Enterprise Manager, SQL Enterprise After reading the database video, we often use two methods in the video. One is the SQL Enterprise Manager, and the other is the T-SQL (Tansact-SQL ). For the first method, it

SQL statement optimization improves database performance and SQL statement database performance In systems with unsatisfactory performance, apart from the fact that the application load exceeds the server's actual processing capacity, it is more because the system has a large number of SQL statements that need to be optimized. To achieve stable execution performa

server | sqlserver | data | data type | conversion Why not let SQL Server automatically convert the data type in SQL command for you Report Date: 12/5/2003 Prepared by: Zheng Ye Article last modified on 2004-2-16 The information in this article applies to: ü Microsoft SQL Server 2000, 7.0 Problem statement: One day, execute SELECT * FROM XXX_ORIGINAL_20031205

1. View the version of the databaseSELECT @ @versionSeveral common types of SQL Server patched version numbers:8.00.194 Microsoft SQL Server 20008.00.384 Microsoft SQL Server SP18.00.532 Microsoft SQL Server SP28.00.760 Microsoft SQL Server SP38.00.818 Microsoft

Label:Next: T-SQL Dynamic Query (3)--Static SQLObjective: There's a lot of talk about dynamic queries, and this article describes some of the ways to use dynamic SQL to solve dynamic queries.Why use Dynamic sql: in many projects, dynamic SQL is widely used and even misused, and in many cases, dynamic

1. view the database versionSelect @ version Common SQL server patch versions: 8.00.194 Microsoft SQL Server 20008.00.384 Microsoft SQL Server 2000 sp18.00.532 Microsoft SQL Server 2000 sp28.00.760 Microsoft SQL Server 2000 sp38.00.818 Microsoft

A big and comprehensive choice between SQL and functions: Who is a more effective SQL ?, More effective SQL Reprinted please indicate the source: jiq •'s technical Blog Note that the Oracle11g database is discussed here. It is not applicable to SQL Server, MYSQL, and other databases. 1. Problem Description There are t

1. sort by strokes of the Last Name: Select * From tablename order by customername collate chinese_prc_stroke_ci_as 2. database encryption:Select encrypt ('original password ')Select pwdencrypt ('original password ')Select pwdcompare ('original password', 'encrypted password') = 1 -- same; otherwise, different encrypt ('original password ')Select pwdencrypt ('original password ')Select pwdcompare ('original password', 'encrypted password') = 1 -- same; otherwise, different 3. Retrieve the fie

Many people do not know how SQL statements are executed in SQL Server, fearing that their written SQL statements will be misunderstood by SQL Server. Like what: SELECT * FROM table1 where name= ' Zhangsan ' and TID > 10000 and implementation: SELECT * FROM table1 where TID > 10000 and name= ' Zhangsan ' Some people

Tags: migrating local SQL Server database to Windows Azure SQL database via SSMs toolMigrate local SQL Server database to Windows Azure SQL database via the SSMs toolMicrosoft's product updates are getting faster, almost every year there are product updates, today, we mainly introduce how to migrate the local

Tags: Microsoft CTI object Complex problem: Lis use parameter BinThis article belongs to theUnderstand the mysteries of performance-slow in applications, fast in SSMS"seriesNext: Understanding the Mysteries of performance-application slow, SSMs fast (5)--case: How to deal with parameter sniffing We put aside the argument sniffing topic and went back to the original point of concern in this series: Why is the statement slow in the application, but fast in ssms? So far, it's all about the stored p

Tags: Audit SQL ServerIntroductionAudit is a feature after SQL Server 2008 that tells you "who did what when?" Specifically, auditing an instance of the SQL Server database engine or a separate database involves tracking and documenting events that occur in the database engine. Its bottom-level is based on extended events (Extented event), so its performance and

Today, I would like to share with you the SQL statements, T-SQL usage and syntax, as well as some examples, the purpose is to help everyone to review the basic statements of T-SQL, so that the project can be used more quickly. Of course, it should be learned and summarized for new users. Today, I would like to share with you the

server| Data | database | Statement SQL SERVER Database Management Common SQL and T-SQL statements 　　 1. View the version of the database SELECT @ @version 2. View the machine operating system parameters of the databaseEXEC master.. xp_msver 3. View Database Startup Parameterssp_configure 4. View Database Startup timeSelect CONVERT (varchar, login_time,120) fro

Introduction Audit is a feature after SQL Server 2008 that tells you "who did what when?" Specifically, auditing an instance of the SQL Server database engine or a separate database involves tracking and documenting events that occur in the database engine. Its bottom-level is based on extended events (Extented event), so its performance and flexibility are relatively good. Audit data can be exported to aud

Sharing the SQL area, private SQL area, and game Benchmark 1. Sharing the SQL area is another way to name the handle of the cursor object in Librarycace and the data of the Child heap. Ii. Concept of private SQL zone is stored in PGA in dedicated server mode. (Review the concept of PGA: PGA is allocated on the server s

Comparison of functions between Visual Basic for Applications and SQL Server Transact-SQL (ADP)Note that the information in this topic applies only to the Microsoft Access Project (. ADP ). The following table compares common functions in Microsoft Visual Basic for Applications (VBA) and Microsoft SQL Server Transact-SQL