VALUES
  • References/Database/PostgreSQL/Commands

NameVALUES -- compute a set of rows Synopsis

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NOTIFY
  • References/Database/PostgreSQL/Commands

NameNOTIFY -- generate a notification Synopsis

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CREATE FOREIGN DATA WRAPPER
  • References/Database/PostgreSQL/Commands

NameCREATE FOREIGN DATA WRAPPER -- define a new foreign-data wrapper Synopsis

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IMPORT FOREIGN SCHEMA
  • References/Database/PostgreSQL/Commands

NameIMPORT FOREIGN SCHEMA -- import table definitions from a foreign server Synopsis

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EXPLAIN
  • References/Database/PostgreSQL/Commands

NameEXPLAIN -- show the execution plan of a statement Synopsis

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Server Configuration: Short Options
  • References/Database/PostgreSQL/Server Configuration

For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 19-2. Some of these options exist for historical

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WITH Queries
  • References/Database/PostgreSQL/Queries

WITH provides a way to write auxiliary statements for use in a larger query. These statements, which are often referred to as Common Table Expressions

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ALTER LANGUAGE
  • References/Database/PostgreSQL/Commands

NameALTER LANGUAGE -- change the definition of a procedural language Synopsis

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Routine Vacuuming
  • References/Database/PostgreSQL/Maintenance

PostgreSQL databases require periodic maintenance known as vacuuming. For many installations, it is sufficient to

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SQL Dump
  • References/Database/PostgreSQL/Backup and Restore

The idea behind this dump method is to generate a file with SQL commands that, when fed back to the server, will recreate the database in the same state as it was at the time

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