what is the difference between group by and order by in sql? : Sql dba

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How do you update f as m and m as f from the below table testtable?

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Write the sql query using dual table for below output? 1 L R --- --- ---- 1 1 1 1 2 1 1 3 1 1 1 2 1 2 2 1 3 2 1 1 3 1 2 3 1 3 3 Write a query using only Dual table with out writing any pl/sql program.

3 Answers   JPMorgan Chase,

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What are the two parts of a procedure ?

6 Answers   Hi Caliber IT,

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What are the dml statements?

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Which operator is used in query for pattern matching?

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Why is pl sql used?

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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.

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Difference between aggregate function and analytical function?

3 Answers   Metric Stream,

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What are hotfixes and patches?

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How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?

1 Answers   Parexel,

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Explain the rollback statement?

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