rules for 591
library directories 597
library engines 587, 750
definition 750
interface library engines 752
native 750
version compatibility and 727
librefs 587
accessing permanent files without 597
assigning 588
assigning the User libref 594
associating 588
clearing 588
configuring with SAS registry 233
fixing problems with SAS registry 234
reserved 589
SAS/ACCESS 710
syntax for assigning 588
LIKE operator 185
line mode
SAS log in 166
links
SAS registry and 223
to SVG documents 338
list input 445
LIST statement
writing to log with 169
listing output 162
viewing in Output window 363
literals 22
See also constants
name literals 31
little endian platforms 453
lockdown state 17
locking integrity constraints 641
log 16, 156
altering contents of 170
appending to 167
as DATA step output 16
changing destination of 158
customizing 170
customizing appearance of 172
in batch mode 166
in interactive mode 166
in line mode 166
in objectserver mode 166
index usage information in 664
naming with directives 168
replacing 167
rolling over 167
specifying when to write to 167
structure of 164
suppressing parts of 170
writing to, in all modes 169
log control options 153
Log window 361
logger objects 528
logging facility 156
logic errors 154
logical names 587
See also librefs
logical operators 105
combining WHERE expressions 188
syntax for WHERE expressions 188
M
macro facility 7
definition 4
macro-related errors 145
many-to-many relationships 480
many-to-one relationships 479
Maps library 378
master data set 507
updating 515
match-merging 483, 503
combining observations based on a
criterion 504
DATA step processing during 504
duplicate values of BY variable 505
nonmatched observations 506
syntax 504
MAX operator 107
in WHERE expressions 188
memory
increasing for CPU performance 204
optimizing usage 204
menus 366
Help menu 371
Universal Printing 257
MERGE statement
data set lists and 606
match-merging 504
one-to-one merging 499
merging
data for reports 679
match-merging 483, 503
one-to-one 482, 499
metadata LIBNAME engine 753
metadata-bound library 593, 743
Migration Focus Area 725
MIN operator 107
in WHERE expressions 188
missing semicolons 138
missing values 6
automatically set by SAS 86
character 451
checking for, in DATA step 90
creating special missing values 84, 88
definition 83
generated by SAS 87
Index 831
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