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Answer Posted / hr@tgksolutions.com
Normalization is the process of organizing data to minimize redundancy and improve data integrity.
Normal Forms:
• 1NF: Eliminate repeating groups, ensure atomicity.
• 2NF: Ensure 1NF and remove partial dependencies.
• 3NF: Ensure 2NF and remove transitive dependencies.
• BCNF: Ensure every determinant is a candidate key.
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First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.
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