Describes the cause and action for error messages.
Error Message(English)：
query name already exists
Enhanced Audit Status Message Queries ? System Center Premier ...
https://blogs.technet.microsoft.com/systemcenterpfe/2019/03/18/enhanced-audit-status-message-queries・・・
UNION of select fields from multiple tables - Stack Overflow
https://stackoverflow.com/questions/27450331/union-of-select-fields-from-multiple-tables
e22506 | Accessibility | Java Servlet - Scribd
https://www.scribd.com/doc/95536290/e22506