Concepts and Architecture Question:
Download Job Interview Questions and Answers PDF
What is a Data Dictionary in Oracle?
Answer:
The data dictionary of an ORACLE database is a set of tables and views that are used as a read-only reference about the database.
It stores information about both the logical and physical structure of the database, the valid users of an ORACLE database, integrity constraints defined for tables in the database and space allocated for a schema object and how much of it is being used.
It stores information about both the logical and physical structure of the database, the valid users of an ORACLE database, integrity constraints defined for tables in the database and space allocated for a schema object and how much of it is being used.
Download Oracle Architecture and Concepts Interview Questions And Answers
PDF
| Previous Question | Next Question |
| Tell me what does a Control file Contain? | Explain what is SYSTEM tablespace and when is it Created? |