Use wildcards with SHOW DATABASES
In a SHOW DATABASES LIKE statement, you can use wildcards and specify any character or a single character.
SHOW DATABASES or SHOW SCHEMAS lists all of the databases defined in Hive metastore.
You can use the following wildcards:
For example, 'students', 'stu%', 'stu_ents' match the database named
students.- %
- Matches any single character or multiple characters.
- _ (underscore)
- Matches any single character.
- |
- Matches either the part of the pattern on the left or the right side of the pipe.
