What do you understand by sub-queries in sql?
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Enlist some commands of dml?
What are the three levels of data abstraction?
What is considered a database?
What is db dialect?
How many database systems are there?
user says the db performance is slow or yesterday the query runned 1min and today its taking 30 min. how to trouble shot or were to start with?
What do you understand by data model?
Describe and contrast sql and qbe.
What is difference between a DIALOG WINDOW and a DOCUMENT WINDOW ?
Is it possible to determine clients ip address?
Is the server accepting tcp ip connections on port 5432?
Tell me about view, sequence and index in DBMS.
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