What company owns postgresql?
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What information is needed to connect sql*plus an oracle server?
In a package if we have 10 procedures or functions,How to know which will execute first?
what are the advantages of primary key over unique+notnull
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Is primary key clustered index?
What is the difference between a subquery and a join?
What is meant by Join? What are the different types of Joins available? Explain.
Does truncate free space?
what are the nonstandard string types? : Sql dba
What is rownum and rowid?
Can we write create command in the plsql block?if possible how?
Mention what does the hierarchical profiler does?