Internals//BRIN Indexes
  • References/Database/PostgreSQL/Internals/BRIN Indexes

BRIN stands for Block Range Index. BRIN is designed for handling very large tables in which certain columns

2025-01-10 15:47:30
PREPARE TRANSACTION
  • References/Database/PostgreSQL/Commands

NamePREPARE TRANSACTION -- prepare the current transaction for two-phase commit

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Internals//Index Access Method: Index Scanning
  • References/Database/PostgreSQL/Internals/Index Access Method

In an index scan, the index access method is responsible for regurgitating the TIDs of all the tuples it has been told about that match the scan keys

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SET ROLE
  • References/Database/PostgreSQL/Commands

NameSET ROLE -- set the current user identifier of the current session Synopsis

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pg_test_fsync
  • References/Database/PostgreSQL/Applications

Namepg_test_fsync -- determine fastest wal_sync_method for PostgreSQL

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Creating a Database
  • References/Database/PostgreSQL/Managing Databases

In order to create a database, the PostgreSQL server must be up and running (see

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Concurrency Control
  • References/Database/PostgreSQL/Concurrency Control

PostgreSQL provides a rich set of tools for developers to manage concurrent access to data. Internally, data consistency is maintained by using

2025-01-10 15:47:30
Internals//SP-GiST Indexes: Built-in Operator Classes
  • References/Database/PostgreSQL/Internals/SP-GiST Indexes

The core PostgreSQL distribution includes the SP-GiST operator classes shown in Table 62-1.

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SELECT
  • References/Database/PostgreSQL/Commands

NameSELECT, TABLE, WITH -- retrieve rows from a table or view Synopsis

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

The catalog pg_authid contains information about database authorization identifiers (roles). A role subsumes the concepts of

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