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 Categories >> Software >> Databases >> SQL PLSQL
 
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Question Asked @ Answers Views     Select
What is nvl function? cap-gemini   4  4186
there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output? cognizent   7  5825
why we go for package? what are the advantages of using instead of seperate procuderes or functions tcs   3  3986
I have a package in which a table was used in a procedure and compiled later i have dropped the table used in the package what would be the status of package specification and body tcs   1  2752
How to create a view on a table which does not exists tcs   4  8499
SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/ accenture   1  4183
1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table. polaris   1  3342
what is difference between decode and case function?    2  4773
what is External tables? explain with examples tcs   2  5254
What is bulk collections?    1  3288
IF THERE ARE 1 TO 100 NUMBERS IN A TABLE AND IN THAT 100 NUMBERS SOME 10 NUMBERS ARE DELETED.I WANT TO FIND OUT THE MISSING NUMBERS BETWEEN 1 TO 100 by PL/SQL HOW?    7  4262
Hi all, I am going to write oracle certification. Can anyone send me the dumps available if any for OCA exam? Its really very urgent, prompt response will help me alot..    8  2428
What are Anti joins ibm   1  5336
What are Global Temporary tables ibm   3  4726
What are Nested Tables? How will u delete 5 rows from Nested Tables ibm   3  4338
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Un-Answered Questions
 
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What are wait events. Describe the wait event tables. 1857
What action do you have to perform before retrieving data from the next result set of a stored procedure ? 835
ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem.. 521
write a query that returns first characters of each word in Oracel/Sql pl sql 3996
What is Materialized View? In What Scenario we Use Materialized View? 3896
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 1233
when MSQL8.0 is in market 485
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. 2136
What are code pages ? 558
If i can use sys.check_constraints to display my constraints from my database using sql server 2005, how can i display then if i am using sql server 2000???? 2238
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 010 533
table structure: ---------------- col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10 01-mar-2012 11:12:46 01-mar-2012 11:11:23 Write a query to display the result as shown below: col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10 1058
what is single byte over head in oracle..? 648
What is the criteria while applying index to any column on any table. 432
How well can multiple sessions access the same data simultaneously ? 509
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