SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

what is the bond code in materialized view?

3051

what is the boundary line in varrays?

HCL,

1 8508

what is explain plan?

4 21490

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

Accenture, HCL, Infosys,

24 58640

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

2 13178

what is inline command?

2 9784

What are the default Oracle triggers??

CGI, Tech Mahindra,

3 19477

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Wipro,

8 37487

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 12452

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 13126

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

2 7444

What is differance unique key and primary key.

EDS,

7 11855

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 9034

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

2 8907

how to retrive only second row from table?

IBM,

31 53944

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Un-Answered Questions { SQL PLSQL }

What is case function?

1087

What are the dml statements?

1194

Sql technical questions

1330

Is primary key an index?

1032

Could you please provide oca (oracle 10g) dumps for my certification ?

5237

What is substitution variable?

1092

What is acid property in a database?

1083

What is a call statement? Explain with an example.

1066

What are the key differences between SQL and PL SQL?

1279

Why do we use %rowtype & %type in plsql?

1092

What is left inner join in sql?

1090

What are the various levels of constraints?

1167

What are local and global variables and their differences?

1134

What is the use of index in sql?

1062

Why do we use partitions in sql?

1091

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