December 2014
Intermediate to advanced
858 pages
40h 10m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Creating an Index
Overview
To create an index on one or more columns of a table,
use the CREATE INDEX statement.
|
General form, CREATE
INDEX statement:
CREATE <UNIQUE> INDEX index-name
ON table-name (column-name-1<,
...column-name-n>);
UNIQUE
is a keyword that specifies
that all values of the column(s) specified in the statement must be
unique.
index-name
specifies the name
of the index to be created. If you are creating an index on one column
only, then index-name must
be the same as column-name-1.
If you are creating an index on more than one column, then index-name cannot
be the same as the name of any existing column or index in the table.
table-name
specifies the name of the table ... |
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