# DESCRIBE
DESCRIBE — obtain information about a prepared statement or result set
# Synopsis
DESCRIBE [ OUTPUT ] prepared_name USING [ SQL ] DESCRIPTOR descriptor_name
DESCRIBE [ OUTPUT ] prepared_name INTO [ SQL ] DESCRIPTOR descriptor_name
DESCRIBE [ OUTPUT ] prepared_name INTO sqlda_name
# Description
DESCRIBE retrieves metadata information about the result columns contained in a prepared statement, without actually fetching a row.
# Parameters
prepared_name
The name of a prepared statement. This can be an SQL identifier or a host variable.
descriptor_name
A descriptor name. It is case sensitive. It can be an SQL identifier or a host variable.
sqlda_name
The name of an SQLDA variable.
# Examples
EXEC SQL ALLOCATE DESCRIPTOR mydesc;
EXEC SQL PREPARE stmt1 FROM :sql_stmt;
EXEC SQL DESCRIBE stmt1 INTO SQL DESCRIPTOR mydesc;
EXEC SQL GET DESCRIPTOR mydesc VALUE 1 :charvar = NAME;
EXEC SQL DEALLOCATE DESCRIPTOR mydesc;
# Compatibility
DESCRIBE is specified in the SQL standard.