Select in User_tab_columns Very Slow in 12.2
(Doc ID 2522212.1)
Last updated on DECEMBER 11, 2020
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
- A simple query in user_tab_columns in any schema even without result, takes more than 7 minutes
- Data dictionary statistics is taken:
USER is "SYS"
SQL> select data_length from user_tab_columns where column_name = 'PRDDESCRICAO';
no rows selected
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