The CURRENT TIMESTAMP special register specifies a timestamp that is based on a reading of the time-of-day clock when the SQL statement is executed at the application server. If this special register is used more than once within a single SQL statement, or used with CURRENT DATE or CURRENT TIME within a single statement, all values are based on a single clock reading.
In a federated system, CURRENT TIMESTAMP can be used in a query intended for data sources. When the query is processed, the timestamp returned will be obtained from the CURRENT TIMESTAMP register at the federated server, not from the data sources.
Insert a row into the IN_TRAY table. The value of the RECEIVED column should be a timestamp that indicates when the row was inserted. The values for the other three columns come from the host variables SRC (char(8)), SUB (char(64)), and TXT (VARCHAR(200)).
INSERT INTO IN_TRAY
VALUES (CURRENT TIMESTAMP, :SRC, :SUB, :TXT)