what is data flow diagram

What are data flow diagram advantages and disadvantages? Data Flow Diagram: DFD stands for the data flow diagram. It is

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Types of keys in database

What are Types of keys in database? Content: What is Database? Why we need DBMS Types of keys in database

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Types of databases

What are Types of databases? Content: What is data? What is a database? Types of databases What is DBMS? Types

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