What is the purpose of the primary key?


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More SQL PLSQL Interview Questions

What is difference between hql and sql?

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Define commit?

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How run sql*plus commands that are stored in a local file?

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what is meant by forward declaration in functions?

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What are the subsets of sql?

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Does truncate release storage space?

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Why do we use procedures in pl sql?

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Is there any problem if we use commit repeatedly after each dml statement in a plsq procedure ? (eg. there are 10 update stmt and using 10 commit stmt after each update stmt)

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What are the different types of tables in sql?

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Explain the order of sql statement execution?

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What is diff between bulk collect and forall

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what does the t-sql command ident_incr does? : Transact sql

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