-- 63_isolation_levels_examples.sql
-- Banking Pattern Pack — PostgreSQL
-- Purpose: Isolation levels and examples.
-- Context: Retail bank example with customers, accounts, transactions, cards, loans.
-- Date: 2025-08-18
-- Notes:
--   * Safe to read; run on a development DB.
--   * Requires: CREATE privileges; some files may need superuser for extensions.
--   * Search path set to 'bank' schema for clarity.
SET search_path = bank, public;

-- Isolation levels
-- BEGIN ISOLATION LEVEL READ COMMITTED; ... COMMIT;
-- BEGIN ISOLATION LEVEL REPEATABLE READ; ... COMMIT;
-- BEGIN ISOLATION LEVEL SERIALIZABLE; ... COMMIT;
