Is hadoop a nosql?

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Does google use sql?

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What is attribute indicator in pl sql?

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What is the difference between sql/pl-sql/embeded sql?

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What are character functions?

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define different types of trigger. : Sql dba

1 Answers  

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List the differences between plsql - function & procedures

2 Answers   TCS, Verizon,

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How to display the contents of a current record fetched in a reference cursor?

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Explain the uses of a database trigger?

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Practice 1: Changes to data will only be allowed on tables during normal office hours of 8.45 in the morning until 5.30 in the afternoon, MONDAY through FRIDAY. A. Create a procedure called SECURE_DML that prevents the DML statement from executing outside of normal office hours, returning the message: “you may only make changes during normal office hours” b. Create a statement trigger on the PRODUCT table which calls the above procedure. c. Test it by inserting a new record in the PRODUCT table.

1 Answers   Tech Mahindra,

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How does pl sql work?

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What is self-join and what is the requirement of self-join?

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