Explain issues for database performance.
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What are the different file extensions that are created by Oracle ?
what are the different levels of database schema?
what the SUBSTR(SQUARE ANS ALWAYS WORK HARD,14,6) will return ?
What is the purpose of normalization in dbms?
How to handle data if f table are more than one and each table contain thousands of entries?
Define object-oriented model.
How to export data from database and import into another?
What are the Roles and responsibilities of database administrator?
Explain the different types of join operations?
Explain the syntax of named procedure?
Explain the difference between primary and foreign key?
What are the characteristics of database?