Explain vdl (view definition language)?
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How to Ensure Data Integrity in a Relational Database?
PL/SQL supports which datatypes?
Can we pass RECORD GROUP between FORMS ?
What are the Different Types of Joins and How do They Work?
What is the difference between SQL and NoSQL databases
Which database is faster?
What do you understand by sub-queries in sql?
How many number of columns can a RECORD GROUP have ?
Single File Database: Develop a student record management program, which uses single file as its database. It is not supposed to create additional files at any part of the project and should never rewrite total content. It must be capable of storing 100000's of records. It should support variable length records to be added, deleted, modified, listed.
Explain meant by 3-tier architecture?
How is view stored in database?
What do you understand by aggregation and atomicity?
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