Routine Reindexing
  • References/Database/PostgreSQL/Maintenance

In some situations it is worthwhile to rebuild indexes periodically with the REINDEX command or a series

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CREATE TABLE
  • References/Database/PostgreSQL/Commands

NameCREATE TABLE -- define a new table Synopsis

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bloom
  • References/Database/PostgreSQL/Appendixes/Additional Supplied Modules

bloom provides an index access method based on Bloom filters

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LOAD
  • References/Database/PostgreSQL/Commands

NameLOAD -- load a shared library file Synopsis

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Catalogs: pg_namespace
  • References/Database/PostgreSQL/Internals: Catalogs

The catalog pg_namespace stores namespaces. A namespace is the structure underlying SQL schemas: each namespace can have a separate collection

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ALTER USER MAPPING
  • References/Database/PostgreSQL/Commands

NameALTER USER MAPPING -- change the definition of a user mapping Synopsis

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Trigger Functions
  • References/Database/PostgreSQL/Functions/Trigger

Currently PostgreSQL provides one built in trigger function, suppress_redundant_updates_trigger, which will prevent

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Catalogs: pg_collation
  • References/Database/PostgreSQL/Internals: Catalogs

The catalog pg_collation describes the available collations, which are essentially mappings from an SQL name to operating system locale categories

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Internals: Path of a Query
  • References/Database/PostgreSQL/Internals

Here we give a short overview of the stages a query has to pass in order to obtain a result.

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Network Address Functions and Operators
  • References/Database/PostgreSQL/Functions/Network Address

Table 9-36 shows the operators available for the cidr and inet types. The operators <<

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