Teradata recommends installing Aster Analytics functions only in the PUBLIC schema. However, if you must maintain a separate instance of a function (for example, an older version for compatibility with existing scripts), you can install that function in another schema.
To install a function in a schema other than public, qualify the function file name with the schema name. For example:
\install posTagger.zip textanalysis/posTagger.zip
\install textChunker.zip textanalysis/textChunker.zipWhen you invoke the installed function, you must qualify the function file name with the schema name. For example:
SELECT * FROM textanalysis.TextChunker (
ON (SELECT * FROM textanalysis.POSTagger (