32.
PostgreSQL – INDEXES .......................................................................................................................... 133
Index Types .................................................................................................................................................. 133
The DROP INDEX Command ........................................................................................................................ 135
When Should Indexes be Avoided? ............................................................................................................. 135
33.
PostgreSQL – ALTER TABLE Command ................................................................................................... 136
34.
PostgreSQL – TRUNCATE TABLE Command ........................................................................................... 139
35.
PostgreSQL – VIEWS .............................................................................................................................. 140
Creating Views ............................................................................................................................................. 140
Dropping Views ........................................................................................................................................... 142
36.
PostgreSQL – TRANSACTIONS ............................................................................................................... 143
Transaction Control ..................................................................................................................................... 143
The COMMIT Command .............................................................................................................................. 144
The ROLLBACK Command ............................................................................................................................ 144
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