|SQL exercises||April 21, 02:11 MSK|
Estimation of solutions effectiveness
The plan - means of optimization of SQL query - is taken from SQL Server running on the site; therefore it is identical to the execution plan received by means of QA (Query Analyzer). Optimize query to take higher place in a rating by efficiency!
Please identify Yourself:
Copyright SQL-EX © 2002-2019. All rights reserved. |