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EXPLAIN statement to display the selected search strategy.List of All Possible Search Strategies
CATALOG KEY ACCESS CATALOG SCAN CATALOG SCAN USING USER EQUAL CONDITION DIFFERENT STRATEGIES FOR OR-TERMS EQUAL CONDITION FOR INDEXED COLUMN EQUAL CONDITION FOR INDEXED COLUMN (SUBQ) EQUAL CONDITION FOR KEY COLUMN EQUAL CONDITION FOR KEY COLUMN (SUBQ) EQUAL CONDITION FOR MULTIPLE INDEX IN CONDITION FOR INDEXED COLUMN IN CONDITION FOR KEY COLUMN IN CONDITION FOR MULTIPLE INDEX INTERSECTION OF COLUMN INDEXES JOIN VIA INDEXED COLUMN JOIN VIA KEY COLUMN JOIN VIA KEY RANGE JOIN VIA MULTIPLE INDEXED COLUMNS JOIN VIA MULTIPLE KEY COLUMNS JOIN VIA RANGE OF MULTIPLE INDEXED COL. MULTIPLE INDEX COLUMN USED (INDEX SCAN) NO STRATEGY NOW (ONLY AT EXECUTION TIME) RANGE CONDITION FOR INDEXED COLUMN RANGE CONDITION FOR KEY COLUMN RANGE CONDITION FOR KEY COLUMN (SUBQ) RANGE CONDITION FOR MULTIPLE INDEX RANGE CONDITION FOR MULTIPLE INDEX (SUBQ) 'ORDER BY' VIA INDEXED COLUMN 'ORDER BY' VIA MULTIPLE INDEX SINGLE INDEX COLUMN USED (INDEX SCAN) TABLE SCAN