Explain unique key in sql.

0 Answers  

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What are the advantages of the packages

6 Answers   Oracle,

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how to retrive only second row from table?

31 Answers   IBM,

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What is the difference between partitioning and sharding?

0 Answers  

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what are date and time functions in mysql? : Sql dba

0 Answers  

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How to use transactions efficiently : transact sql

0 Answers  

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i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

2 Answers   IBM, Loginworks, OFSS,

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Main diff between varray and nested tablea

3 Answers   Polaris, TCS,

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I have the table like this S.No Name ID 01 Xyz 123 I want the result as 01Xyz123 How to write the query to retrieve the entire row data in a single column?

1 Answers  

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What do we need to check in database testing?

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<<labele>> declare a=10 b=20, begin some statements declare a=30 c=40 end; what is the A value in nested block?

1 Answers   ITC Infotech,

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C. Normalize the following data up to the 3rd Normal form. Create the tables and insert the data given. Emp_ID Name Dept_Name Salary Course_Title Date_Completed 100 Adam Marketing 48,000 SPSS 6/19/2008 Surveys 10/7/2008 140 Bob Accounting 52,000 Tax Acc 12/8/2008 110 Cathy IT SQL Server 1/12/2008 C# 4/22/2008 190 Dan Finance 150 Emily Marketing 55,000 SPSS 6/16/2008 42,000 Analysis 8/12/2008 Queries 1. Find all Names who have completed the SPSS Course. 2. Find employee with max salary. 3. Find employee with 2nd max salary. 4. Find all employees in Dept “Marketing”. 5. Find all the employees who have taken more than 2 courses. 6. Find all the employees who have completed the courses before month of September.

0 Answers  

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