PREPARE
PREPARE — prepare a statement for execution
Synopsis
PREPAREnameFROMstring
Description
PREPARE prepares a statement dynamically specified as a string for execution. This is different from the direct SQL statementPREPARE, which can also be used in embedded programs. TheEXECUTE command is used to execute either kind of prepared statement.
Parameters
prepared_nameAn identifier for the prepared query.
stringA literal C string or a host variable containing a preparable statement, one of the SELECT, INSERT, UPDATE, or DELETE.
Examples
char *stmt = "SELECT * FROM test1 WHERE a = ? AND b = ?";EXEC SQL ALLOCATE DESCRIPTOR outdesc;EXEC SQL PREPARE foo FROM :stmt;EXEC SQL EXECUTE foo USING SQL DESCRIPTOR indesc INTO SQL DESCRIPTOR outdesc;
Compatibility
PREPARE is specified in the SQL standard.