How do you set a primary key?
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What is the meaning of flat file database?
Explain Relational Algebra in RDBMS
Define union all operator and union.
What is Database testing and What are ways of writing test cases for database testing?
Explain concurrency transparency.
when we login sql editor using username and password then it says this error "could not resolve service name" then what can we do at client side.( here thing is tnsnames.ora file is ok till yesterday and worked well, but now it giving error.)
What is implicit cursor in dbms?
hi, i am new to database cau give me link where can i get about databse..
Explain about User_Defined Exceptions?
What are different partitioning techniques in database?
What is a checkpoint and When does it occur in database?
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What is the purpose of a database middleware other than translating the jdbc api calls to multiple vendor specific dbms calls?