Basic Oracle Tutorial: rowid

Rowid is a pseudo column that uniquely identifies a row in a table. It is the internal address of the row data in the physical table. It contains two addresses. One is the data stored in the block that points to the data table that contains the row.

Rowid is a pseudo column that uniquely identifies a row in a table. It is the internal address of the row data in the physical table. It contains two addresses. One is the data stored in the block that points to the data table that contains the row.

Rowid is a pseudo column that uniquely identifies a row in a table. It is the internal address of the row data in the physical table. It contains two addresses. One is the address pointing to the data file that contains the block of the row in the data table, the other is that you can directly locate the address of the row in the data block.

The details are as follows:

,