SHOW-CATALOGS

Name

SHOW CATALOGS

Description

This statement is used for view created catalogs

Syntax:

1. SHOW CATALOGS [LIKE]

illustrate:

  1. LIKE: Fuzzy query can be performed according to the catalog name

Return result:

  • CatalogId: Unique ID of the catalog
  • CatalogName: Catalog name. where “internal” is the default built-in catalog, which cannot be modified.
  • Type: Catalog type.
  • IsCurrent: Show yes on the line of current using catalog.

Example

  1. View all created catalogs

1. SHOW CATALOGS; 2. +-----------+-------------+----------+-----------+ 3. | CatalogId | CatalogName | Type | IsCurrent | 4. +-----------+-------------+----------+-----------+ 5. | 130100 | hive | hms | | 6. | 0 | internal | internal | yes | 7. +-----------+-------------+----------+-----------+

``` 2. Fuzzy query by catalog name

1. SHOW CATALOGS LIKE 'hi%'; 2. +-----------+-------------+----------+-----------+ 3. | CatalogId | CatalogName | Type | IsCurrent | 4. +-----------+-------------+----------+-----------+ 5. | 130100 | hive | hms | | 6. +-----------+-------------+----------+-----------+

```

Keywords

SHOW, CATALOG, CATALOGS

Best Practice