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SQL TOP CLAUSE

Suprio Dutta

29/01/2024 0 0

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Other Lessons for You

Following are the signs those qualify a query to be a derived table: These are defined in FROM clause of an outer query. It is surrounded by parenthesis followed by AS clause to define the derived...

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Interview questions based on "level", a pseudocolumn

1. Write a query to get the below output, 1 11 21 31 .. .. 91 2 12 22 32 .. .. 92 3 13 23 33 .. .. 93 .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 10 20 30 40 ...

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PLSQL- PROGRAM TO FIND THE GIVEN CHARACTER HOW MANY TIMES REPEATED

declare str varchar2(80):='&str'; ab char:='&ch'; i number; l number; c number; begin l:=length(str); for i in 1..l loop if (substr(str,i,1=ab)...

Bijaya Kumar Mantri

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Virtual (Derived) Column: Oracle 11g R1 (Part 1)

VIRTUAL OR DERIVED COLUMN A nice feature introduced in Oracle 11gR1. Welcome to the practical analysis of various scenarios with virtual columns - introduced in 11gR1 are like normal table columns whose...

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Looping In Oracle SQL Using Level

We will see about the syntax LEVEL in Oracle sql. If we want to loop through and print a set of values in SQL, LEVEL could come handy. Example query: SELECT 'hi', LEVEL FROM DUALCONNECT BY LEVEL <=...

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