Oracle Database / Basic: relational and transaction foundations

Oracle Database β€” Basic: relational and transaction foundations

Locate a session, model valid facts and build deterministic queries and units of work.

6 lessons Β· No account required

What you will learn

  • Explain Oracle context, types, NULL, joins and grouped results.
  • State explicit transaction and DDL boundaries.

  1. Instances, databases, services and session context

    Locate an application connection inside Oracle architecture before interpreting names, privileges or failures.

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  2. Types, missing values and integrity constraints

    Represent freight facts with Oracle-specific numeric, character and temporal semantics.

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  3. Predicates, dates and deterministic results

    Translate a shipment question into a stable row set with typed boundaries and explicit NULL handling.

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  4. Joins and relational grain

    Combine customers, shipments and scans without multiplying facts or losing empty relationships.

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  5. Grouping and trustworthy totals

    Calculate freight summaries with explicit units, missing-value rules and subtotal labels.

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  6. Transactions, savepoints and DDL boundaries

    Design a shipment change as an explicit unit of work and understand Oracle implicit commits.

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