Oracle 19c SQL

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  4. 7 Pseudo Columns
  5. 7.1 What are Pseudo Columns in Oracle

7.1 What are Pseudo Columns in Oracle

A pseudo column behaves like a table column, but is not actually stored in the table. You can select from pseudo columns, but you cannot insert, update, or delete their values.

Following are the different pseudo columns in Oracle. Click on each item to learn more.

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