PostgreSQL 9.5 ← 9.4
← Catalog atlas / pg_tables
SYSTEM VIEW · System view
pg_tables
The view pg_tables provides access to useful information about each table in the database.
Checked column by column against a PostgreSQL 18.6 instance · Raw measurement record ↗
Columns PostgreSQL 18
pg_tablesPostgreSQL 19 beta 3 is a preview snapshot; the structure can still change before release.
| COLUMN | TYPE | DESCRIPTION |
|---|---|---|
schemaname |
name |
Name of schema containing tableReferences:pg_namespace.nspname |
tablename |
name |
Name of tableReferences:pg_class.relname |
tableowner |
name |
Name of table's ownerReferences:pg_authid.rolname |
tablespace |
name |
Name of tablespace containing table (null if default for database)References:pg_tablespace.spcname |
hasindexes |
booleanDocumented as:bool |
True if table has (or recently had) any indexesReferences:pg_class.relhasindex |
hasrules |
booleanDocumented as:bool |
True if table has (or once had) rulesReferences:pg_class.relhasrules |
hastriggers |
booleanDocumented as:bool |
True if table has (or once had) triggersReferences:pg_class.relhastriggers |
rowsecurity |
booleanDocumented as:bool |
True if row security is enabled on the tableReferences:pg_class.relrowsecurity |
Columns marked "implicit" are not included in SELECT *; some early statistics views are completed from same-version source, and the extra provenance is shown in the column description.
Common system columns 0
System attributes PostgreSQL provides, normally not expanded by SELECT *. Kept separately so they are not mixed in with ordinary columns.
| Columns | Type | attnum |
|---|
Column evolution matrix
Hover a cell for the column typePresentAdded / type or attribute changeRemoved
| COLUMN | 9.0 | 9.1 | 9.2 | 9.3 | 9.4 | 9.5 | 9.6 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
schemaname |
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tablename |
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tableowner |
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tablespace |
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hasindexes |
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hasrules |
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hastriggers |
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rowsecurity |
– | – | – | – | – |
9.0 is the coverage baseline; a column already present in the baseline is not marked as added. The matrix aligns columns by name, so a rename appears as the old column removed and a new column added.
Evolution timeline
Changes between adjacent majorsCompare any two versions
Pick two versions to see added, removed, and retyped columns. The interactive comparison needs JavaScript; the evolution timeline reads fine without it.