SQL PLSQL Interview Questions
Questions Answers Views Company eMail

how to write utl file pkg in SQL

Oracle,

1 3187

I i have 2 tables A & B ,A contains 10 records B contains 20 records ,what w'll be the o/p if we perform equijoin,outer join,right outer join,left outer join,full outer join,cross join seperately Can anyone help on this?

2 3210

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

TCS, Oracle, Tecnics,

4 9069

i declare 4 procedure in package specification but in package body i write only 3 procedure. is it complie??//w

Scope International,

4 8713

i want insert 10 records from table a to table b. if i m using statement level trigger how many record insert ?in row level trigger how many record inserted???

Scope International,

3 5780

Write a query to find the employees from EMP table those who have joined in Monday. (there is a column as hiredate which is a date column i.e values are like 03-DEC-81)

4 4769

Write a query to get last 10 records from the table.

iNautix,

10 11864

how to see the oracle 9i/10g table in pc? or In my pc where the table is saved and how to see?

1 1926

i hv 30 rows with date.ex:1month hav 4 weeks i want 1st day of the every week.write the qry for that.example jan has 4 weeks i need 1st dd for evry wk

Aspire,

1 3208

IF i write before / after insert / update trigger and i do rollback what will happen?

KPIT,

5 4875

I want to create synonym for table emp but in my pc it is giving insufficient previliges.I am using user scott.Please suggest me.

3 2434

Is there any problem if we use commit repeatedly after each dml statement in a plsq procedure ? (eg. there are 10 update stmt and using 10 commit stmt after each update stmt)

1 2660

Use The Implicit cursor to Query The Department table information Where Deptno is 30.check,if no record was found then print "Record Was Not Found".Else Print Deptname And Ename.Dept table Have Dname Varchar2(20),Deptno Number,EnameVarchar2(20).Please Answer In 2 mins,with in Maximum 15 lines.

Wipro,

5 4056

sql query to get zero records from a table having n no of records

CTS,

8 9786

How do we tune the code?

2 2712


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Un-Answered Questions { SQL PLSQL }

GLOBAL TEMPORARY TABLE over Views in advantages insolving mutating error?

1278


What are wait events. Describe the wait event tables.

2141


How to generate a salary slip like jan 1000 1000 feb 1000 2000 ... dec 1000 12000

399


i have some prob lem to tell me about my self in interview first round ...

444


Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

679


How well can multiple sessions access the same data simultaneously ?

642


How consistent is the view of the data between and within multiple sessions, transactions or statements ?

527


Describe the Index, Types of index, At what situation we have used? Which one s better than others?

593


What is your daily office routine?

673


write a query that returns first characters of each word in Oracel/Sql pl sql

4707


what is the bond code in materialized view?

1123


What are code pages ?

667


Table1: Col1 col2 1 2 10 3 4 89 5 6 Table:2 Col1 col2 3 2 9 5 4 7 6 87 With the help of table1 and table2 write a query to simulate the fallowing results. Output1: Col1 col2 1 2 2 3 3 4 4 5 5 6 Output2: Col1 col2 2 3 10 4 5 89 6 7 1.Write query for single row to multiple row using sql statements. Eg:a,b,c,d,e,f Change to A B C D E F 2. Write query for multiple row to single row using sql statements. Eg2 A B C D E F Change to Eg:a,b,c,d,e,f Table1: Col1 col2 8 5 2 9 4 2 5 1.Write a query to select all the rows from a table1,if the value of A is null then corresponding B’s value should be printed in A’s value.if the value of A is null in that table then corresponding B’s value should be printed as 30. 2. write a query to find the sum of A and B .display the max among both. 3.write a query to find total number of rows from table 1. Note: if any column value is null in a row then that row should be considered as 2 rows. 4.write a query to display all the records of table1 except A containg 2 as well B containg 5. 5.rewrite the fallowing without using join and group by. Select b.title,max(bc.returneddate –bc.checkoutdate)” mostdaysout” From bookshelf_checkout bc, Book shelf B Where bc.title(+)=b.title Group by b.title. 6.rewrite fallowing query Select id_category from category_master X where exists (select 1 from sub_category Y where X.id_category=Y.id_category) Customer: Name phone1 phone2 phone3 bitwise A 23456 67890 12345 --- B 67459 89760 37689 --- Don’t_call Col1 67890 37689 1.q) update the customer table of bitwise with 1 or 0. Exists in don’t_call table menas show -1 Other wise -0. Output. Name bitwise A 010 B 010

759


how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

1569


How global cursor can be declare with dynamic trigger ?

460