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Differentiate between horizontal & mixed horizontal fragmentation?
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
how many types of data model in DBMS? explain data abstraction with its different level
What is Cross Product? Simply Cross product is Binary Operator
Explain Record Based Logical Models? Record-Based logical Models: Also define data at the conceptual and view levels. Unlike object-oriented models, are used to state overall
losers with new information systems
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
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