[BEAM-2749] update BeamSqlExample

• Type: Sub-task
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: Not applicable
• Component/s: dsl-sql
• Labels: Done dsl_sql_merge dsl_sql_review
• Assignee: Mingmin Xu
• Reporter: Mingmin Xu
• Created: 07/Aug/17 18:19
• Updated: 24/Jul/20 20:16
• Resolved: 09/Aug/17 20:19

Description

change usage to reflect the latest status, and add an example with GROUP_BY

Issue Links

• links to: GitHub Pull Request #3706