:meta-keywords: cubrid sleep, cubrid sys_guid :tocdepth: 3 *************** Other functions *************** .. contents:: SLEEP ===== .. function:: SLEEP ( sec ) This function pauses for the specified time then resumes the operations. :param sec: sleep time. The unit is second and inputs double type value. :rtype: INT .. code-block:: sql SELECT SLEEP(3); It pauses for 3 seconds. SYS_GUID ======== .. function:: SYS_GUID () It returns the unique hexadecimal string of 32 characters randomly. .. code-block:: sql SELECT SYS_GUID(); :: sys_guid() ================================== '938210043A7B4455927A8697FB2571FF'