What is a table?

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what are the difference between clustered and a non-clustered index? : Sql dba

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What can sql server reporting services do?

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Is it possible to access the current value in a session before accessing next value?

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what are the differences between binary and varbinary? : Sql dba

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Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 Answers   Oracle, TCS,

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What is trigger and how to use it in sql?

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what is the difference between sql and t-sql? : Transact sql

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Explain alias in sql?

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What is schema in sql example?

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Define implicit and explicit cursors.

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Why indexing is needed?

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