## 52.75. `pg_matviews`

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 The view `pg_matviews` provides access to useful information about each materialized view in the database.

**Table 52.76. `pg_matviews` Columns**

|                                                                        Column Type<br/><br/> Description                                                                        |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                  `schemaname` `name` (references [`pg_namespace`](catalog-pg-namespace.html).`nspname`)<br/><br/> Name of schema containing materialized view                   |
|                               `matviewname` `name` (references [`pg_class`](catalog-pg-class.html).`relname`)<br/><br/> Name of materialized view                               |
|                         `matviewowner` `name` (references [`pg_authid`](catalog-pg-authid.html).`rolname`)<br/><br/> Name of materialized view's owner                          |
|`tablespace` `name` (references [`pg_tablespace`](catalog-pg-tablespace.html).`spcname`)<br/><br/> Name of tablespace containing materialized view (null if default for database)|
|                                            `hasindexes` `bool`<br/><br/> True if materialized view has (or recently had) any indexes                                            |
|                                                 `ispopulated` `bool`<br/><br/> True if materialized view is currently populated                                                 |
|                                  `definition` `text`<br/><br/> Materialized view definition (a reconstructed [SELECT](sql-select.html) query)                                   |

