blob: 1fcddc7add2913dd74eff88ef590ade4868be4af [file] [log] [blame]
SELECT t1.col_intrvl_yr , t2.col_intrvl_yr
FROM typeall_l t1 INNER JOIN typeall_r t2
ON t1.col_intrvl_yr = t2.col_intrvl_yr OR ( t1.col_intrvl_yr IS NULL AND t2.col_intrvl_yr IS NULL );