CATALOG SCAN USING USER EQUAL CONDITION 
CATALOG SCAN USING USER EQUAL CONDITION is a search strategy of the SQL optimizer.
When Can the System Use This Strategy?
The system can choose this strategy when the schema name was specified exactly.
Example
EXPLAIN
SELECT * FROM TABLES
WHERE schemaname = 'HOTEL'
End of the example.
How Does the System Access the Data?
The system identifies the relevant tables using a key range scan.