Answer / naga

& is used to resolve the direct macro reference.
&& is used to resolve the indirect macro reference.
for example let us assume we need to resolve city1 to banglore
%let &city&n /*incorrect*/
%let &&city&n /*correct*/

Answer / subbu

%let a=sai;
%let b=kumar;


%let c=&a.&b;

%put &c;

Answer / smriti

& represents that it is a macro variable and && is used to
replace the macro variable with the value of the variable.

Answer / alla

when concatinating two macro variable
%let a=sai;
%let b=kumar;
%let &a &b;it resolves as sai kumar
if u want to remove the space b/t then use
%let &&a&b; it resolves as saikumar
when you use %let &a&b;resolves as &akumar

Answer / srk

there is nothing difference b/w & and && for resolving
macros both are same..these are two types of syntax for
resolving macro variable.

How to find out no. of business days in a month using macros.???(excluding weekends and holidays).

2 Answers   HSBC,

What is the use of the %include statement?

0 Answers  

how can u create zero observation dataset?

11 Answers   CitiGroup,

what is factor analysis? : Sas-administrator

0 Answers  

What can be the size of largest dataset in SAS?

0 Answers  

how are numeric and character missing values represented internally? : Sas programming

0 Answers  

what is the difference between the SAS v8 and SAS v9?

7 Answers   TCS,

How do handle working under pressure?

1 Answers   Oracle, Wipro,

what are the sites did u refer for enquiries and doubts for SAS

2 Answers   UBS,

what is proc Index? and what is proc document?

0 Answers   Mind Tree,

What is substr function?

0 Answers  

What is _n_?

23 Answers   Accenture,