Answer / useroracle

Global variable or subprogram(procedure,function) that can
be referenced outside the package and is visible to
external users user is called global variable. Global
package items must be declared in the package specification.

Answer / shail

Remeber two things:

1. Global to package - declared in package body (outside
and procedure)

2. Global to database - declared in package specification

Answer / vidya

Defining a Global variable is practically restricted,
Beco'z Renaming a Package is very nasty things, our
Database always available in Tree Structure. But Global
variable determined by whether you declare the variable
outside in the package (global)/ Procedure (global).

Declaring a variable in the body or the specification
determines if the variable is public (specification) or
private (body)

3. Select sum(a) sum_1,max(a) max_1 ,count(a) count_1 from ( ( select 1 a from dual union all Select to_number(‘2011’) a from dual union all select 1 a from dual) union select 2 b from dual);

1 Answers   Fintellix,

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ename empno deptno amar 1 10 akbar 2 20 anthonny 3 30 jonathan 4 40 write a procedure to dispaly the column values ina row separated by a deleimiter eg - input - select ename from emp '|' output - amar|akbar|anthony|jonathan input - select empno from emp '@' o/p - 1@2@3@4 input - select deptno from emp '/' o/p - 10/20/30/40 Pls answer this questn.

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2 Answers   Cap Gemini, Data Vision,

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I Have A Table Like This. Cityno Cityname Mails 1 Bangalore 8km 2 Hsr Layout 20km 3 Mejistic 30km 4 Jayadeva 55km 5 Itpl 80km 6 Hebbal 115km I Have Data Like This I Want O/p Like This Distance No.ofcity 0-50km 3 51-100km 2 101-150km 4 And So On

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