SAS 9.1 Language Reference Concepts
C
CALL routines 39
PRX call routines 45
random-number routines 43
RX functions and CALL routines 45
syntax 40
catalog concatenation 564
definition 564
explicit 565
implicit 564
rules for 567
catalog directory windows 562
CATALOG window 562
catalogs 4, 561
accessing information in 562
catalog concatenation 564
management tools 562
names of 561
Profile catalog 563
recovering 610
remote access and 12
CATCACHE= system option
I/O optimization and 218
CEDA (Cross-Environment Data Access) 575
advantages of 576
alternatives to 580
compatibility across environments 578
creating files in foreign data representation 581
examples 581
file processing with 576, 578
output processing 577
restrictions 577
update processing 579
cells
editing values 320
character comparisons 120
IN operator in 121
character constants 111
compared with character variables 111
in hexadecimal notation 112
quotation marks with 111
character data
reading raw data 360
_CHARACTER_name lists 88
character values 359
character variable padding (CVP) engine 604
character variables 78, 79
compared with character constants 111
converting to numeric variables 84
in arrays 461
missing values 104
characteristic (binary integer) 92
collating sequence
character comparisons and 120
color values
registry and 242
column-binary data 371
column-binary data storage 371, 372
column input 364
columns
labeling 313
moving 313
sorting values 315
combining data sets 389, 391
access methods 394
concatenating 395, 402
data relationships 391
direct access 394
error checking 400
interleaving 395, 405
match-merging 397, 416
methods for 395, 402
one-to-one merging 396, 411
one-to-one reading 396, 409
preparing data sets 400
procedures for 398
sequential access 394
statements for 398
tools for 389, 398
updating 397, 420
comparison operators 118, 201
compatibility
See version compatibility
compilation phase (DATA step) 332
composite indexes 520
compound expressions 110
order of evaluation 124
compound optimization 521, 528
COMPRESS= system option
I/O optimization and 218
compressing data files 537
definition of compression 537
disabling compression requests 538
requesting compression 538
concatenating catalogs 564
concatenating data libraries 471
concatenating data sets 395, 402
efficiency 405
examples 403
concatenation operator 123, 206
configuration files 9
console log 162
constants 110
bit testing constants 114
blank space in 115
character constants 111
date constants 113
date time constants 113
in WHERE expressions 200
misinterpretation of 115
numeric constants 112
time constants 113
constructors
initializing hash objects 439
CONTAINS operator 203
copies
encryption with 595
passwords with 595
correlators
in ARM macros 64
CPU-bound applications 224
CPU performance 220
increasing memory 220
parallel processing and 221
reducing I/O 220
search time for executables 220
storing compiled programs 220
variable lengths and 221
CPU time 214
Cross-Environment Data Access
See CEDA (Cross-Environment Data Access)
customized output 189
for output objects 191
CVP engine 604