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Tracking SQL under SQL Server uses Profiler, and how do you track sql under MySQL?In fact, the method is very simple, turn on the log logging function of MySQL, by viewing the trace log.To turn on MySQL logs log method:Configuration methods in the
SQL Trace executed in MySQL is much simpler than Oracle and has a log on its own. We just have to open the log record, execute the SQL statement, and look at the log.1. First open the log switchUse command: Show variables like '%log% ';Can see a
Tracking SQL under SQL Server uses Profiler, and how do you track sql under MySQL?In fact, the method is very simple, turn on the log logging function of MySQL, by viewing the trace log.To turn on MySQL logs log method:Configuration methods in the
IntroducedOften people ask how the profile tool should be used? There is no way to get a poor performance SQL problem. Since I turned to MySQL myself for almost 2 years without using profile, suddenly profile became a little rusty and had to be
Tracking SQL under SQL Server uses Profiler, and how do you track sql under MySQL?In fact, the method is very simple, open the MySQL log logs function, by viewing the trace log can be.Open the MySQL log logging method:Configuration methods in the
Today, a colleague asked me to help me read a report. This report was generated by an open-source system and the background database uses MySQL. the problem is that the data in one report is incorrect. At that time, the other report was correct.
Today, a colleague asked me to help me read a report. This report was generated by an open-source system and the background database uses MySQL. the problem is that the data in one report is incorrect. At that time, the other report was correct.
IntroductionOptimizing SQL is a common task of DBA. How to optimize a statement efficiently and quickly is a common problem for every DBA. In my daily optimization work, I found that many operations are essential in the optimization process. However,
Mysql5.6 provides a trace for SQL. the trace file can be used to better understand why Execution Plan A is selected rather than execution plan B, which helps us better understand and optimize its behavior.
Usage: first, enable trace, set the format
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