[1.6.x] Reference Meta.index_together in DB performance guide.
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@ -38,7 +38,9 @@ Use standard DB optimization techniques
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* Indexes. This is a number one priority, *after* you have determined from
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profiling what indexes should be added. Use
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:attr:`django.db.models.Field.db_index` to add these from Django.
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:attr:`django.db.models.Field.db_index` or
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:attr:`Meta.index_together <django.db.models.Options.index_together>` to add
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these from Django.
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* Appropriate use of field types.
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