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Working With SQL, R, Python, and AWS
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Working With SQL, R, Python, and AWS

EasySQL · PostgreSQL

Problem

Tell me about a time you used SQL, R, Python, and AWS together in your data work.

For the SQL portion, summarize completed tool runs for each work item, including items with no completed runs.

Output

  1. One row per work item with work_item_id, work_item_name, sql_run_count, r_run_count, python_run_count, aws_run_count, and tool_coverage
  2. Include only completed runs, classify coverage as Complete, Partial, or None, and order by work_item_id

Schema

work_items
ColumnTypeDescription
work_item_idPKINTUnique identifier for a data work item
work_item_nameVARCHAR(100)Name of the data work item
owner_nameVARCHAR(100)Person responsible for the work item
started_onDATEDate the work item started
work_statusVARCHAR(30)Current status of the work item
tool_runs
ColumnTypeDescription
run_idPKINTUnique identifier for a tool run
work_item_idINTWork item associated with the run
tool_nameVARCHAR(30)Tool used for the run
run_statusVARCHAR(30)Outcome of the tool run
run_dateDATEDate the tool run occurred
rows_processedINTNumber of records processed by the run
Tableswork_itemstool_runs
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