Oracle DBA Lesson 106 Part 2 — Operate and hand off a database responsibly

A responsible database administrator connects an observed problem to evidence, chooses a change within the task's scope, verifies i...

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Oracle DBA Lesson 106 Part 1 — Demonstrate a recoverable database service

A successful recovery returns an agreed consistent data state and a service the application can use. The assessment combines preparatio...

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Oracle DBA Lesson 105 Part 3 — Respond to recovery-area pressure without destroying recovery

When recovery storage fills, the immediate task is to restore progress while keeping the files required for recovery and standby databa...

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Oracle DBA Lesson 105 Part 2 — Follow a blocked transaction to its owner

An update can wait because another transaction has already modified the same row and has not committed or rolled back. Find the current...

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