What is ROWID?

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What are sql triggers used for?

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How we get all_group_function's(Sum,avg,count,max and min_value of a column(Sal) Using pl/sql anonymous block, with out using group function's. You shouldn't use more than one select statement in entire the program. Like cursor c is select * from <table_name>; except this you can't use another select statement. You can use no of variables as per requirement.

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What is schema in sql?

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What is clause?

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Is sql low level language?

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Explain the purpose of %type and %rowtype data types?

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What are the two characteristics of a primary key?

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What does data normalization mean?

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Give which cursor is better for better performance means type of cursors?

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how many values can the set function of mysql take? : Sql dba

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What type of database is sql?

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