9.6.2 Embedded R Execution Functions (Autonomous Database)
The SQL API for Embedded R Execution with Autonomous Database functions are described in the following topics.
- rqGrant Function
This topic describes therqGrant
function when used in Oracle Autonomous Database. - rqRevoke Procedure
TherqRevoke
procedure revokes read privilege access to an OML4R datastore or to a script in the OML4R script repository. - rqListEnvs Function
The functionrqListEnvs
when used in Oracle Autonomous Database, lists the environments saved in an Object Storage. - rqEval2 Function
The functionrqEval2
when used in Oracle Autonomous Database, runs a user-defined R function that explicitly retrieves data or for which external data is to be automatically loaded for the function. - rqTableEval2 Function
The functionrqTableEval2
runs the uer-defined R function in the script specified by theSCR_NAME
parameter. - rqRowEval2 Function
The functionrqRowEval2
when used in Oracle Autonomous Database,chunks data into sets of rows and then runs a user-defined R function on each chunk. - rqGroupEval2 Function
The functionrqGroupEval2
when used in Oracle Autonomous Database, groups data by one or more columns and runs a user-defined R function on each group. - rqIndexEval2 Function
The functionrqIndexEval2
when used in Oracle Autonomous Database, runs a user-defined R function multiple times in R engines spawned by the database environment. - sys.rqScriptCreate Procedure
Thesys.rqScriptCreate
procedure creates a script and adds it to the OML4R script repository. - sys.rqScriptDrop Procedure
Thesys.rqScriptDrop
procedure removes a script from the OML4R script repository.