February 2018
Intermediate to advanced
510 pages
16h 10m
English
If the client functions are called in the wrong order, the commands out of sync error is received. It means that the command cannot be executed in the client code. As an example, if we execute mysql_use_result() and try to execute another query before executing mysql_free_result(), this error may occur. It may also happen if we execute two queries that return a result set without calling the mysql_use_result() or mysql_store_result() functions in between.
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