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Tech Mahindra SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between trigger and storedprocedures

16 20260

What are the default Oracle triggers??

2 13620

What is the difference between DELETE and TRUNCATE?

15 14577

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

4 5640

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

2 5259





how do you count the duplicate records in a table

10 11915

how u can find the n row from a table?

19 16983

what is the difference between implicit and explicit trigger

2 15362

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

5 10878

What is mutating trigger?How to avoid it??

3 9704

what is the difference between cursor FETCH and FOR LOOP ?

3 20191

What is a mutating table

4 6414

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

2 6817

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 7317

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Un-Answered Questions

How to use return instead of tab or mouse to move off a control ?

810


PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

906


why we use copper earthing for neutral while for body GI.

3460


How have you used MASS tool in your last project, and to upgrade what data?

898


WHAT IS THE MEANING OF FLASHING VD AND FD INSTALLATION PLENIUM BOXES IN CENTRAL AIR CONDITION

808






why disodium tartarate used in karl-fischer instrument ?.

812


HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

943


what is definition of validation? which components are followed give detail?

993


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

1263


Grid fault level [KA]?

1510


Difference between DataGid and Girdview? Difference b/w .Net 2.0, 3.0 and 3.5 ? Diff b/w dispose & Finialize Methods?

1373


How was NSA involved in the design of DES?

858


how to calculate slip ring induction motor stator and rotor currents??

900


we have sale material to party and freight paid by us. This freight charged in sale invoice than what is the entry of service tax in this case.

855


i have boiler of 35 tone and wanted dig out foundation is there any body to help me to carry out calculation for the foundation like

805






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