The document summarizes key Oracle General Ledger tables that store accounting, budgeting, journal entry, and revaluation data. Some of the main tables include GL_CODE_COMBINATIONS for account combinations, GL_BALANCES for account balances, GL_JE_BATCHES for journal entry batches, GL_PERIODS for accounting periods, GL_REVALUATIONS for revaluation definitions, and GL_BUDGETS for budget information. Many tables have relationships to forms in Oracle General Ledger.