SELECT jml_antri_hits, jml_sudah_hits FROM
(SELECT tgl_hits, COUNT(*) AS jml_antri_hits FROM WS_CEK_NIK WHERE flag_nik IS NULL AND tgl_hits = CONVERT(VARCHAR(10), getdate(), 111)
GROUP BY tgl_hits)
 a  INNER JOIN
(SELECT tgl_hits, COUNT(*) AS jml_sudah_hits FROM WS_CEK_NIK WHERE flag_nik IS NOT NULL AND tgl_hits = CONVERT(VARCHAR(10), getdate(), 111)
GROUP BY tgl_hits)
b ON a.tgl_hits = b.tgl_hits