APEX 26.2 from Zero, Part 2: the data model
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Start: an empty schema. Nothing to install first.

  lesson_2_1.sql ... lesson_2_8.sql
                        One script per lesson. Run them in order in
                        SQL Workshop > SQL Scripts (Upload, then Run).
  turnout_schema.sql    All eight in one: the twelve tables, indexes and
                        triggers. Run it instead if you fall behind.
  turnout_seed.sql      The sample data for Lesson 2.11. Safe to run again:
                        it deletes the sample rows first.
  turnout_quicksql.txt  The Quick SQL draft for Lesson 2.9.
  turnout_reset.sql     Removes every TO_ object, to start Part 2 again.

To catch up in one go: SQL Workshop > SQL Scripts > Upload turnout_schema.sql,
Run it, then do the same with turnout_seed.sql.
Done when: the last query of the seed shows about 250 users and 12 clubs.
