Which certification is best for sql?

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Which constraints we can use while creating database in sql?

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How would you pass hints to the sql processor?

0 Answers  

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What is clustered, non-clustured and unique index. How many indexes can be created on a table ?

3 Answers   TCS,

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how to calculate expressions with sql statements? : Sql dba

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How do I remove sql developer from windows 10?

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diff b/w function and procedure?

9 Answers   iFlex,

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I have a small PL/SQL Block assume in this way begin select * from emp where empno=100; exception when others then <Some Messages> when no_data_found then <Some Messages> when too_many_rows then <Some Messages> end; The question which he asked was whether this block will get executed normally or it will throw error ? If errored out then what is the reason for the error ? Could anybody please help me ? Regards Nakul Venkataraman

3 Answers   Satyam,

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what are the demerits of sql?

1 Answers  

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What is the command used to fetch the first 5 characters of a string?

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What is range partitioning?

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Write the order of precedence for validation of a column in a table? I. Done using database triggers. Ii. Done using integarity constraints

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