Oracle data type: LONG

The OraOLEDB specific connection string attribute ChunkSize

to_lob converts a long or a long raw to a lob data type

ORA-00997: illegal use of LONG datatype and ORA-00932: inconsistent datatypes: expected CHAR got LONG.

The SQL*Plus setting long specifies the number of bytes that are displayed for long values.

dbms_duma_internal

sys.dbms_metadata_util.long2varchar

LONG to VARCHAR2

datatypes