is not a valid group by expression sql

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
is not a valid group by expression sql	1.72	0.9	1894	79	38
is	1.56	0.5	9465	42	2
not	1.69	0.8	6458	52	3
a	1.87	0.1	1147	44	1
valid	1.78	0.3	9751	62	5
group	0.56	0.1	8528	49	5
by	1.94	0.8	5628	73	2
expression	0.47	1	747	85	10
sql	1.04	0.3	1975	40	3

Keyword	CPC	PCC	Volume	Score
is not a valid group by expression sql	0.96	0.4	6090	10
sql error is not a valid group by expression	0.11	0.2	209	32
is not a valid group by expression	0.54	0.4	5854	91
sql not a group by expression	0.05	0.3	1467	97
not a group by expression sql error	0.26	0.6	7712	67
not a group by expression oracle sql	0.47	0.4	8289	3
expression non valid sql	0.88	0.8	3357	16
sql expression not in group by key	0.77	0.1	5614	44
sql not exists group by	0.15	0.7	6914	34
is not a valid group name	1.22	0.3	1613	77
is not a valid expression	1.24	0.9	6003	63
is not a valid regular expression	0.08	0.8	4681	18
which is not a valid sql type	1.54	1	789	34
no valid group in group definition data	0.67	0.2	6723	76
invalid use of group function in sql	1.15	1	5949	13