Overview
In addition to variable subsetting, RDS also supports comprehensive and complex record subsetting. This is done though the where
parameter. The where clause is similar to that of a relational database where users can specify logical operations that will be evaluated to subset the data set.
Supported Where Functions
Name | Operator |
---|---|
Greater than or equal to | >= |
Greater than | > |
Equal to | = |
Less than | < |
Less than or equal to | <= |
Not equal to | != |
Like a particular value | like |
Matches a regular expression | matches |
Step By Step