MicroStrategy VLDB properties with Hive

Recommended VLDB Properties for use of MicroStrategy 9 with Hive 0.7x

The recommended VLDB optimizations for Hive 0.7x are listed below. These values are set by default when the "Hive 0.7x" database object is used (set at Configuration Managers > Database Instances > Database Instance > Database connection type)

Selected Default VLDB Properties for Hive 0.7x

VLDB Category	VLDB Property Setting	Value
Tables	Fallback Table Type	Permanent Table
Tables	Maximum SQL Passes Before FallBack	0 (no threshold)
Tables	Maximum Tables in FROM Clause Before FallBack	0 (no threshold)
Tables	Drop Temp Table Method	Drop after final pass
Tables	Table Creation Type	Implicit Table
Query Optimizations	Sub Query Type	Use Temporary Table, falling back to IN (SELECT COL) for correlated subquery
Joins	Full Outer Join Support	Support
Select/Insert	Distinct/Group By option (when no aggregation and not table key)	Use GROUP BY
Query Optimizations	SQL Global Optimization	Level 4: Level 2 + Merge All Passes with Different Where
Query Optimizations	Set Operator Optimization	Disabled
Joins	Join Type	Join 92
Select/Insert	UNION Multiple Insert	Use UNION

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Microstrategy Analytics

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