Follow these requirements
to name schemas, tables, and columns:
-
Use alphanumeric characters in
the names of schemas, tables, and columns.
-
Use underscore characters, but
do not use an underscore character as the leading character in the
name.
-
Do not use double-byte character
sets in names.
-
Do not use Hive quoted identifiers
( ‘ ) in column names.
-
Limit the length of the names of
schemas, tables, and columns to 32 characters. This limit is required
in the following directives and transformations:
-
-
-
Summarize Rows transformation (a
task in multiple directives)