Select /*+USE_HASH( a b ) */ to_char(date, 'MM/DD/YYYY HH24:MI:SS') as LABEL,
ltrim(rtrim(substr(oled, 9, 16))) as VALUE,
from rrfh a, rrf b,
where ltrim(rtrim(substr(oled, 1, 9))) = 'stata kish'
and a.xyz = b.xyz
上述查询的“来自”(第 3 行)部分给了我ORA-00936 Missing EXPRESSION error
. 请帮我
注意:: rrfh 表不包含任何数据。