What is the difference between column level constraints and table level constraints?

14 Answers   IBM, TCS,

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Can a primary key contain more than one columns?

2 Answers  

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Can we create trigger on materialized view in oracle?

0 Answers  

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how to find count rows in table without count function?

3 Answers   Oracle,

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How to Remove the 3rd highest salary person record from table?

9 Answers   HCL, IBM,

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what is the need of indexing topic in oracle? where do we use in a Java project? any other option other than using this to get the same result where we use indexing ?

0 Answers   Goldman Sachs,

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What is tns name?

0 Answers  

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How to select oracle sequence from different schema and How to select oracle sequence from different Databases. Explain with example

1 Answers   Polaris,

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State the difference along with examples between Oracle 9i, Oracle 10g and Oracle 11i.

0 Answers   Atos Origin,

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consider some table with 4 r 5 columns in that 1 col is DATE type. The data is like that,For each date in that col some 3 fields r there but all the records r having different data. Now i want to display all the columns by performing grouping on the date field ( as SELECTION Operator(*) cannot be used with group function having only one "group by clause". how to do this? can any one help me in finding out the solution plss?

1 Answers  

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What is the difference between $oracle_base and $oracle_home?

0 Answers  

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What do you understand by database schema and what does it hold?

0 Answers  

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