Log Messages in Application Engine

Here is some SQL that lists the Log Message actions in Application Programs:

SELECT A.AE_APPLID, A.AE_SECTION, A.AE_STEP,
M.AE_MESSAGE_PARMS, S.MESSAGE_SET_NBR, S.MESSAGE_NBR FROM
PSAESTMTDEFN A, PSAESTEPMSGDEFN M, PSAESTEPDEFN S
WHERE A.AE_APPLID = M.AE_APPLID
AND A.AE_APPLID = S.AE_APPLID
AND A.AE_SECTION = M.AE_SECTION
AND A.AE_SECTION = S.AE_SECTION
AND A.MARKET = M.MARKET
AND A.MARKET = S.MARKET
AND A.DBTYPE = M.DBTYPE
AND A.DBTYPE = S.DBTYPE
AND A.EFFDT = M.EFFDT
AND A.EFFDT = S.EFFDT
AND A.AE_STEP = M.AE_STEP
AND A.AE_STEP = S.AE_STEP
AND A.AE_STMT_TYPE = 'M'