Querry taking too much time

Hello,
I have this querry :

SELECT NULL "ACP_PASS_SERIE", NULL"ACP_PRS_CODE", NULL "ACP_SERIE", NULL "ACP_TYPE", NULL "ACP_ARCHIVE", NULL "ACP_NOTES",
NULL "ACP_USER", NULL "ACP_DTM","PM_SERIE","PM_DATEES","PM_TYPEES","PM_CENTRE","PM_CODEOPER","PM_PRS_CODE","PM_PASS_SERIE",
"PM_ACCOMPSEUL","PM_VS_SERIE","PM_ADD_SERIE","PM_NUMVOYAGE","PM_TEMPSVOYAGE","PM_NOTES","PM_USER","PM_DTM","PM_ARCHIVE","PM_ORIGPK",
"PRS_CODE","PRS_CITOYEN","PRS_NOMA","PRS_NOML","PRS_PRENOMA","PRS_PRENOML","PRS_PEREA","PRS_PEREL","PRS_MEREA","PRS_MEREL",
"PRS_DATENAISS","PRS_LIEUNAISSARB","PRS_LIEUNAISSA","PRS_LIEUNAISSL","PRS_ARCHIVE","PRS_LIEUREG","PRS_NUMREG","PRS_SEX","PRS_SITFAM",