SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the bond code in materialized view?

2489

what is the boundary line in varrays?

HCL,

1 7315

what is explain plan?

4 19089

When we give SELECT * FROM EMP; How does oracle respond?

Accenture, HCL, Infosys,

24 50263

What are the advantages and disadvantages, compared to the standard SQL and SQL*plus ?

2 11977

what is inline command?

2 8510

What are the default Oracle triggers??

CGI, Tech Mahindra,

3 17207

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Wipro,

8 34742

Begin For j in 4403201000 .. 4403202000 Loop If mod (j, 100) = 0 then Dbms_output.put_line (j); End if; End loop; End; what will be the output of this question

TCS,

7 9918

Dear All, Question for this Week Find out possible error(s) (either at compile time or at runtime) in the following PL/SQL block. State the reason(s) and correct the errors. Declare Cursor C1 is select ename, sal, comm from emp; Begin For i in C1 Loop If i.comm between 299 and 999 then Dbms_output.put_line(i.Ename || ‘ ** Good Commission’); Elsif i.comm > 999 then Dbms_output.put_line(i.Empno || ‘ ** Very Good Commission’); close C1; Else Dbms_output.put_line(i.Ename || ‘ ** ’ ||nvl(i.comm,‘O’)); End if; End Loop; End;

Accenture,

7 10363

Can we write create command in the plsql block?if possible how?

2 6428

What is differance unique key and primary key.

EDS,

7 9565

I have a small PL/SQL Block assume in this way begin select * from emp where empno=100; exception when others then when no_data_found then when too_many_rows then end; The question which he asked was whether this block will get executed normally or it will throw error ? If errored out then what is the reason for the error ? Could anybody please help me ? Regards Nakul Venkataraman

Satyam,

3 7572

1> how are u debugging in plsql ? 2> how to connect oracle database from unix. is there ne way other than using sqlplus ?

2 7562

how to retrive only second row from table?

IBM,

31 45225


Post New SQL PLSQL Questions

Un-Answered Questions { SQL PLSQL }

Is primary key an index?

532


How do I order columns in sql?

525


What is cursor and why it is required?

550


How can you maintain the integrity of your database on instances where deleting an element in a table result in the deletion of the element(s) within another table?

661


column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.

6073






How do I send sql query results to excel?

577


Explain what is a column in a table?

570


What is rank dense_rank and partition in sql?

535


1) Synonyms 2) Co-related Subquery 3) Different Jobs in Plsql 4) Explain Plan 5) Wrap 6) Query Optimization Technique 7) Bulk Collect 8) Types of index 9) IF primary key is created then the index created ? 10) Foreign Key 11) Exception Handling 12) Difference Between Delete and Trunc 13) Procedure Overloading 14) Grant Revoke 15) Procedure Argument types. 16) Functions. 17) Joins

1152


What is nvl?

611


What is sqlservr exe?

478


What is the difference between left outer join and left join?

512


How do I write a cron which will run a sql query and mail the results to agroup?

524


How does one use sql*loader to load images, sound clips and documents? : aql loader

668


what is the difference between mysql_fetch_array and mysql_fetch_object? : Sql dba

555