id      select_type		table			type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY			a			ALL						63869	Using where
1	PRIMARY			DEGREE1			ALL						741	
1	PRIMARY			KD1			ALL						11558	
1	PRIMARY			ENUMGRADE1		ALL						3859	
1	PRIMARY			ENUMSTATUS1		ALL						3859	
1	PRIMARY			DEGREE2			ALL						741	
1	PRIMARY			KD2			ALL						11558	
1	PRIMARY			ENUMGRADE2		ALL						3859	
1	PRIMARY			ENUMSTATUS2		ALL						3859	
1	PRIMARY			DEGREE3			ALL						741	
1	PRIMARY			KD3			ALL						11558	
1	PRIMARY			ENUMGRADE3		ALL						3859	
1	PRIMARY			ENUMSTATUS3		ALL						3859	
1	PRIMARY			DEGREE4			ALL						741	
1	PRIMARY			ENUMEDULEVEL1		ALL						3859	
1	PRIMARY			ENUMEDULEVEL2		ALL						3859	
1	PRIMARY			ENUMEDULEVEL3		ALL						3859	
1	PRIMARY			ENUMEDULEVEL4		ALL						3859	
1	PRIMARY			KD4			ALL						11558	
1	PRIMARY			ENUMGRADE4		ALL						3859	
1	PRIMARY			ENUMSTATUS4		ALL						3859	
1	PRIMARY			REG4			ALL						36809	
1	PRIMARY			CEH			ALL						1	
1	PRIMARY			RS			ALL						1	
2	DEPENDENT SUBQUERY	CANDIDATE_FILTER_SCORE	ALL						1	Using where