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[Help] problems with SQL statement optimization tools

Source: Internet
Author: User
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SQL statements are a key part of database applications. Their execution performance directly affects the running efficiency of applications. The optimization of SQL statements is to convert low-performance SQL statements into SQL statements with the same performance and higher performance. Therefore, people have invested a lot of energy in optimizing SQL statements, many SQL statement optimization tools have emerged. lecco SQL Expert Pro for SQL Server and Embarcadero SQL Tuner are two of them, but I encountered problems after installation and use, I wonder if you have used these two optimization tools. Please help me to answer the following questions.

1. Problems with lecco SQL Expert Pro for SQL Server

(1) lecco SQL Expert Pro for SQL Server cannot connect to the SQL Server2005 database. Many online users say that lecco SQL Expert Pro for SQL Server does not support SQL Server2005 and only supports SQL Server2000 databases, I don't know if this is the reason.

(2) The same error is reported when lecco SQL Expert Pro for SQL Server connects to the SQL Server2000 Database.

2. Problems with Embarcadero SQL Tuner
All Database types are selected during registry, but the SQL Server database cannot be selected during DataSource registry, but the Oracle database can only be selected.

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