Answer / krish

Query to get 1st max salary from each dept
 
SELECT maxsal, 
       deptno, 
       ename 
FROM   ( 
                SELECT   Max(sal) OVER (partition BY detpno ORDER BY sal)        AS maxsal, 
                         row_number over (partition BY detpno ORDER BY sal DESC) AS id, 
                         ename, 
                         deptno 
                FROM     emp) 
WHERE  id=1;

just place id=2 instead of id=1 for second max salary 
if ur are expecting more than 1 records with max sal 
replace ROW_NUMBER with DENSE_RANK()

http://netezzamigration.blogspot.com/2014/10/analytic-functions-in-netezza.html

Answer / madhu

select * from ( select country,empname,salary, dense_rank() over (partition by country order by salary) rank from emp) where rank <= 2;

What is the difference between Standard and Metrics folder?

0 Answers  

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Part 1 : Cognos 1.What are the technologies that are used in cognos? 2.What are complex reports? 3.What is page break? 4.What is layout component? 5.How do you use extract function? 6.What is the use of Crosstab space? 7.What is Rank()? 8.What is the use of Query calculation and layout calculation? 9.What is Slicer and Dicer? 10.How can you create users in Cognos? 11.What is last child member? 12.What is the use of Conditional blocks? 13.What is Conditional Formatting? 14.What is group span? 15.In which types of reports does the page breaks applicable? Is it applicable in excel reports? 16.I want to show a up arrow and down arrow image in cross tab report, if the revenue is > 5000 (up arrow) and if <5000 (down arrow)? How will you achieve this? 17.What are types of Filters in RS? What is Summary Filter and Detail Filter? 18.What is Cast Function? 19.How will you create prompts for the example like this : In a single report I want a) List report (Need a prompt for this) b) Crosstab report (Need a separate prompt for this) c) Chart ()(Need a separate prompt for this) Part II : Framework Manager (FM) 1. What is Determinant in FM? 2. What is Cardinality? 3. What are the types of filters used in FM? 4. Can we create cubes with Relational Data sources? 5. What is Aliasing and Shortcut? 6. What is Session Parameter & Parameter Maps? 7. How many types of securities that we have in FM? 8. What is Data Security in FM? Part III : Data warehousing 1.What are various types of Schemas? 2.What is Star Schema and Snow Flow Schema? Difference between both? 3.What is surrogate key? Part IV : Databases 1.What are NVL Functions? 2.What is left outer join? Give an Example? 3.Can we straightaway use the tables that we have in the database instead of creating the package’s FM and making use of them, through Report Studio (RS)?

2 Answers   Satyam,

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Use of Text Source Variable in Report Studio?

2 Answers  

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pls help me out to find a projects for attending cognos interviews pls anybody send me projects with detail description to explain at the interview time pls send me real time project anybody pls mail me at kittuchoudary2007@gmail.com

1 Answers  

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what is repeater table and repeater where to use these? can any one explain with senario greatly helpfull

2 Answers   IBM,

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What are differences between Reporter report and Explorer report?

2 Answers  

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Explain how data modeling is useful to cognos in daily life?

2 Answers  

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Types of Performance Tuning?

2 Answers   CGI,

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what is physical layer and presentation layer?

2 Answers   Zensar,

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what are summary filters? grouped filters?

3 Answers   IBM,

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What is the difference b/w macros and prompt?

0 Answers  

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-----------------What is Singleton?

1 Answers   BoA, Cap Gemini, TCS,

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