PostgreSQL User's Guide
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# SHOW

## Name

SHOW — Shows run-time parameters for session

    SHOW keyword

### Inputs

`keyword`

  Refer to SET for more information on available variables.

### Outputs

`NOTICE: `variable` is `value``

  Message returned if successful.

`NOTICE: Unrecognized variable `value``

  Message returned if variable does not exist.

`NOTICE: Time zone is unknown`

  If the `TZ` or `PGTZ` environment variable is not set.

## Description

SHOW will display the current setting of a run-time parameter during a session.

These variables can be set using the SET statement, and can be restored to the default values using the RESET statement. Parameters and values are case-insensitive.

### Notes

See also SET and RESET to manipulate variable values.

## Usage

Show the current `DateStyle` setting:

    SHOW DateStyle;
    NOTICE:  DateStyle is ISO with US (NonEuropean) conventions

Show the current genetic optimizer (`geqo`) setting:

    SHOW GEQO;
    NOTICE:  GEQO is ON beginning with 11 relations

## Compatibility

### SQL92

There is no SHOW defined in SQL92.

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