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Tech Mahindra SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between trigger and storedprocedures

 16 27244

What are the default Oracle triggers??

 3 17187

What is the difference between DELETE and TRUNCATE?

 15 20352

i have doubt that any one tell ref cursor comes in sql pl/sql? pls clarify?

 4 8098

what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )

 2 6932

how do you count the duplicate records in a table

 10 16132

how u can find the n row from a table?

 19 24237

what is the difference between implicit and explicit trigger

 2 21432

can we delete the trigger in a view? if yes why if not why?

 5 13737

What is mutating trigger?How to avoid it??

 3 12439

what is the difference between cursor FETCH and FOR LOOP ?

 3 23988

What is a mutating table

 5 9223

Write a procedure to return the month and the number of developers joined in each month (cursor )

 2 8471

Practice 1: Changes to data will only be allowed on tables during normal office hours of 8.45 in the morning until 5.30 in the afternoon, MONDAY through FRIDAY. A. Create a procedure called SECURE_DML that prevents the DML statement from executing outside of normal office hours, returning the message: “you may only make changes during normal office hours” b. Create a statement trigger on the PRODUCT table which calls the above procedure. c. Test it by inserting a new record in the PRODUCT table.

1 10552

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Tech Mahindra SQL PLSQL Interview Questions


Un-Answered Questions

Is age interval or ordinal data?

515

How to generate combined challan of pf?

1440

Do you know how many types of transmission cards are in ultra bts?

577

Tell me what does the scope of variables means?

527

What are the access roles and how they work in the run time? Can we create our own access Roles? If yes, explain with an example.

169




What are the contrasts between a Power BI Dataset, a Report, and a Dashboard?

5

Explain me scrap value in accounting?

670

which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

1559

How to toggle display an html element?

543

How we can achieve the multistep form using drupal form api?

75

what are the stresses in circuit breakers ?

1513

Is there a way to determine the last active column in a spreadsheet?

302

What are cms platforms?

74

EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1388

Why is epoch 1970?

449