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What is trigger
Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Describe the types of Inheritance 1. Single inheritance 2. Multiple inheritance 3. Hierarchical inheritance 4. Multilevel inheritance
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
1 - Serial RS232 comm port comunication 2 - NanoHTTPD serving a few processed pages 3 - System tray application to indicate status and access configuration forms 4 - SQLit
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
In an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms? Question 2 Describe the concepts of Structural Semantic Da
List some instances of collection types? a) sets b) arrays c) multisets
What is the difference between internal tables and extract datasets? The lines of an internal table always have the similar structure. By using extract datasets, you can ha
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
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