PostgreSQL index PRIMARY KEY
PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... ,Indexes may also be used to enforce uniqueness of a table's primary key. When an index is declared UNIQUE, multiple table rows with identical index entries ... ,Indexes are primarily used to enhance database performance (though inappropriate use can result in slower performance). The key field(s) for the index are ... ,PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... ,PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... ,PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce uniqueness. ,When you add a primary key to a table, PostgreSQL creates a unique B-tree index on the column or a group of columns used to define the primary key. ,2010年8月18日 — PostgreSQL automatically creates an index for each unique | constraint and primary key constraint to enforce uniqueness. Thus,
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 PostgreSQL index PRIMARY KEY 相關參考資料
Documentation: 13: 11.6. Unique Indexes - PostgreSQL
PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... https://www.postgresql.org Documentation: 7.0: Indices and Keys - PostgreSQL
Indexes may also be used to enforce uniqueness of a table's primary key. When an index is declared UNIQUE, multiple table rows with identical index entries ... https://www.postgresql.org Documentation: 9.2: CREATE INDEX - PostgreSQL
Indexes are primarily used to enhance database performance (though inappropriate use can result in slower performance). The key field(s) for the index are ... https://www.postgresql.org Documentation: 9.4: Unique Indexes - PostgreSQL
PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... https://www.postgresql.org Documentation: 9.6: Unique Indexes - PostgreSQL
PostgreSQL automatically creates a unique index when a unique constraint or primary key is defined for a table. The index covers the columns that make up ... https://www.postgresql.org is primary key automatically indexed in postgresql? - Stack ...
PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce uniqueness. https://stackoverflow.com PostgreSQL Primary Key - PostgreSQL Tutorial
When you add a primary key to a table, PostgreSQL creates a unique B-tree index on the column or a group of columns used to define the primary key. https://www.postgresqltutorial Re: Are Indices automatically generated for ... - PostgreSQL
2010年8月18日 — PostgreSQL automatically creates an index for each unique | constraint and primary key constraint to enforce uniqueness. Thus, https://www.postgresql.org |