sql server query optimizer tool

Label:Paging Query for sqlserver2005 SQLSERVER2005 has been using the top keyword to achieve paged query, but inefficient, in the sqlserver2005 and later versions of the use of row_number () parsing function to complete the paging query, the efficiency has been greatly improved, but the SQL statement is more complex, T

As a small program ape, in the daily development can not avoid to and where in and like to deal with, in most cases we pass the parameters of simple quotes, sensitive word escape directly after the SQL, execute the query, fix. If one day you inevitably need to improve SQL query performance, need a one-time where in hun

As a database administrator for billing applications (DBA), the company's chief information Officer (CIO) often invites me to meet with Sarbanes-oxley reviewers to discuss the security and consolidation of corporate data. Simply put, he wants us to answer a number of questions through the right documents: who has access to our data, how to authorize access, and how we monitor access to prevent someone from invading, logging into data, or doing something they shouldn't. My CIO and I have learned

XML query in SQL Server: For XML specify Auto Objective In SQL Server, an XML query can specify Raw,auto,explicit,path. This article introduces some examples of XML queries that specify auto in

In the previous article, wherein and like implementation of SQL Server parameterized query describes several Implementation Solutions for SQL Server parametric query of wherein. xml and Table value parameters are omitted. Here is

Query optimization on SQL statements. The foreground application works on the database server, and ultimately relies on the SQL statements in the application. According to incomplete statistics, SQL statements consume about 80% of the database server's resources. Therefore,

SQL Server tool for writing stored proceduresFunction: creates an update stored procedure for a given table.Syntax: sp_genupdate Table Name > , Primary Key > , Stored Procedure name > Take the northwind database as an ExampleSp_genupdate 'ployees', 'employeeid', 'upd _ Employees'Note: If you create this process in the Master System

SQL Server tool for writing stored proceduresThe following are the source code of the two stored procedures:/* ===================================================== ======================================Syntax: sp_geninsert Table Name > , Stored Procedure name > Take the northwind database as an ExampleSp_geninsert 'ployees', 'ins _ Employees

Often listen to the students of Oracle materialized view, one of the functions of materialized view is that you can implement query rewriting, it sounds like a tall feeling, SQL Server also has the function similar to Oracle materialized view, just called indexed view. To tell the truth, or materialized views sound more appropriate, compared to the normal view, m

As a little programmer, it is inevitable to deal with where in and like in daily development, in most cases, the parameters we pass are not much simple, single quotation marks, sensitive characters escape, and then directly spelled into the SQL, execute the query, done. If one day you inevitably need to improve the SQL query