Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT CLIENT, REQNO, REQSLINE, REQLLINE, DOC_TYPE, PUR_GROUP, CREATED_BY, PREQ_NAME, PREQ_DATE, SHORT_TEXT, MATERIAL, PUR_MAT, PLANT, STORE_LOC, TRACKINGNO, MAT_GRP, SUPPL_PLNT, QUANTITY, UNIT, DEL_DATCAT, DELIV_DATE, REL_DATE, C_AMT_BAPI, PRICE_UNIT, ITEM_CAT, ACCTASSCAT, DISTRIB, PART_INV, GR_IND, GR_NON_VAL, IR_IND, DES_VENDOR, FIXED_VEND, PURCH_ORG, AGREEMENT, AGMT_ITEM, INFO_REC, QUOTA_ARR, QUOTARRITM, VAL_TYPE, SPEC_STOCK, PO_UNIT, PCKG_NO, KANBAN_IND, PO_PRICE, INT_OBJ_NO, PROMOTION, BATCH, VEND_MAT, CURRENCY, MANUF_PROF, MANU_MAT, MFR_NO, MFR_NO_EXT, DEL_DATCAT_EXT, CURRENCY_ISO, ITEM_CAT_EXT, PREQ_UNIT_ISO, PO_UNIT_ISO, FIXED_QUAN, MOVEMENT, PROCESS_ID, REQ_DATE, RES_DATE, MOVE_TYPE, MOVE_PLANT, MOVE_STLOC, PRICE, CATALOGID, AVAIL_QTY, CO_CODE, PRODUCT, CATALOGITEM, CATEGORY, CATEGORY_ID, CONFIG_KEY, LOGICAL_SYSTEM, PROC_GROUP, PROC_ORG, PCNUM, PCINS, PCDATE, PCNAME, PARTNER, PARTNER_GUID, GR_RCPT_GUID, IV_RCPT_GUID, LOGSYS_FI, PARTNER_PROD, EXT_QUOTE_ID, EXT_QUOTE_ITEM, SUBTYPE, CTR_GUID, GR_RCPT_PLANT, ORDERED_PROD, PRODUCT_SRC_SYS, TAX_CODE FROM REQLINEMA