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Answer Posted / kishor potu
ROWID is the pesudo column the oracle it can create in built. it is the hexa decimal data type(it contain alpha numaric number). it contain length is 18 digits. there ROWID in a table must be unique. if you drop the row the ROWID will remove. if any new record enter into the table ROWID assigns a unique number that record.
if you want to see the rowid
select rowid from table_name;
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