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which component of DBMS can be embedded in a program?
The data manipulation language (DML) is a component which is embedded in a program.
Advantages of Observation Methods: Bailey has pointed out four advantages of observation: 1. Superior in Data Collection on Non Verbal Behavior: When a person a opi
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
what are the states of transaction?
Explain the database Planning Project ?
how to make an e r diagram?
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
What is a candidate key? Minimal super keys are known as candidate keys.
explain exhausitively the problems associated with er diagrams with ellustrations
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