or subquery preceded by = returns more than one value.
</COMMENTS>
<MESSAGE>Subquery returned more than 1 value. This is illegal when the subquery follows =, !=, <, <= , >, >=, or when the subquery is used as an expression.</MESSAGE>
</SQLSTATE>
<SQLSTATE name="21501">
<DESCRIPTION>ERR_TOO_FEW_VALUES</DESCRIPTION>
<COMMENTS>
insert into t1 (f1,f2) values (1)
</COMMENTS>
<MESSAGE>It's too few values.</MESSAGE>
</SQLSTATE>
<SQLSTATE name="21502">
<DESCRIPTION>ERR_TOO_MUCH_VALUES</DESCRIPTION>
<COMMENTS>
insert into t1 (f1,f2) values (1,2,3)
</COMMENTS>
<MESSAGE>It's too much values.</MESSAGE>
</SQLSTATE>
<SQLSTATE name="21503">
<DESCRIPTION>ERR_FIELD_COUNT</DESCRIPTION>
<COMMENTS>
select .... from ... where f1 in select( f1, f2, .... )
</COMMENTS>
<MESSAGE>Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.</MESSAGE>
Invalid escape sequence, for example, escape char not followed by %, _, or escape char.
</COMMENTS>
<MESSAGE>Invalid pattern string. The character following the escape character must be percent sign, underscore, left square bracket, right square bracket, or the escape character.</MESSAGE>