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Oracle SQL PLSQL Interview Questions
Questions Answers Views Company eMail

there are 2 variables called x and y ,x contains 1,2 and y contains 3,4 we have to swap the values from x to y and y to x with out using dummy variables and it can be done only by using a single statement ? how?

12 14720

Differences between UNIQUE and DISTINCT in select statements

26 124341

What are the attributes of SQL*PLUS ?

2 8706

Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 16792

i want to display 1 to 10 numbers using one select statement.

18 37952

why use cursors?

5 9966

how to remove records from table? no name 1 a 2 b 1 a 2 b 3 c

8 10510

What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?

9 14576

How can i insert data inro a table with 3 columns using FORALL?

2 9394

what is autonomouse transaction?

3 6442

what are pl/sql collections?

4 29335

How to create a view on a table which does not exists

4 18389

how to write utl file pkg in SQL

1 5230

wt is the diff b/w greast and max ,least and min? wt is the diff b/w case and decod?

4 17523

what is the difference difference between procedure and packages

2 8665

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Oracle SQL PLSQL Interview Questions


Un-Answered Questions

What are the asp objects?

332


I am Simrat Kaur. I am persuing graduation from P.U. I have an experience of 14 months as a CSA. But i hav an experience letter of 6 months.But I can show my joinin letter of the other job. I hav knowledge of basics of computer & internet. Actually, m findin job in chandigarh. I am findin the right opportunity. so, Can u plz help me in findin the right job?? Can u plz tel me abt where interviews r goin on?

1642


Assuming {et} is randomly drawn from N(0,1) and e0 = 0, generate 200 observations of xt = et − 0.5e(t−1) and draw a line graph of xt.

1239


How many types of histamine receptors are there and what are they?

200


What is delegate protocol in ios?

293






Which of the commands will replace all occurrences of the word rate with the word speed in the file racing?

320


Define Image sprites with context to CSS ?

211


Why do we use return in c?

362


Name two immuno diffusion techniques?

53


What are the advantages of case class?

5


What is the difference between absolute and relative path?

340


What is a parameter in matrices?

325


What is dependency injection in swift?

341


What is rule of seven in project management?

68


What is lease financing?

465