PostgreSQL 9.4.26 Documentation
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# OPEN

## Name

OPEN -- open a dynamic cursor

## Synopsis

    OPEN cursor_name
    OPEN cursor_name USING value [, ... ]
    OPEN cursor_name USING SQL DESCRIPTOR descriptor_name

## Description

`OPEN` opens a cursor and optionally binds actual values to the placeholders in the cursor's declaration. The cursor must previously have been declared with the `DECLARE` command. The execution of `OPEN` causes the query to start executing on the server.

## Parameters

`cursor_name`

  The name of the cursor to be opened. This can be an SQL identifier or a host variable.

`value`

  A value to be bound to a placeholder in the cursor. This can be an SQL constant, a host variable, or a host variable with indicator.

`descriptor_name`

  The name of a descriptor containing values to be bound to the placeholders in the cursor. This can be an SQL identifier or a host variable.

## Examples

    EXEC SQL OPEN a;
    EXEC SQL OPEN d USING 1, 'test';
    EXEC SQL OPEN c1 USING SQL DESCRIPTOR mydesc;
    EXEC SQL OPEN :curname1;

## Compatibility

`OPEN` is specified in the SQL standard.

## See Also

DECLARE, CLOSE

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