EXECUTE is used to execute a previously prepared
statement. Since prepared statements only exist for the duration of a
session, the prepared statement must have been created by a
PREPARE statement executed earlier in the
If the PREPARE statement that created the statement
specified some parameters, a compatible set of parameters must be
passed to the EXECUTE statement, or else an
error is raised. Note that (unlike functions) prepared statements are
not overloaded based on the type or number of their parameters; the
name of a prepared statement must be unique within a database session.
For more information on the creation and usage of prepared statements,
The name of the prepared statement to execute.
The actual value of a parameter to the prepared statement. This
must be an expression yielding a value that is compatible with
the data type of this parameter, as was determined when the
prepared statement was created.
The command tag returned by EXECUTE
is that of the prepared statement, and not EXECUTE.