Use the column checkboxes to build your query. Header columns sets/unsets all columns
SELECT MANDT, DCT_PERNR, DCT_SEQNR, DCT_ROWID, CNTR2, BEGDA, ENDDA, KANTO, GEMND, QSTPF, QSTAB, QSPRO, QSBTR, INAKTIV, QSPROEF, AKANT, MA3GB, MAB3G, NEBEN, ANDBE, CONCU, PRSCA, QSTABEF FROM P2RC_ST