sql - How to group by CLOB data type? -



sql - How to group by CLOB data type? -

vendor upgrade changed column_a varchar2 clob. query contains group column_a returns ora-00932 "inconsistent datatypes: expected - got clob.

when exclude group column_a in query, don't error don't results want. thus, need grouping clause.

is there way grouping clob info type?

sql oracle oracle11g group-by

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