PostgreSQL

Preparing for PostgreSQL DBA / Database Engineer interview?

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Preparing for PostgreSQL DBA / Database Engineer interview? You must prepare with the best interview question/answers package. Check for free QA. Join our SM group for all latest updates –FB Group https://www.facebook.com/groups/nbcampusit LinkEdin Group https://www.linkedin.com/groups/14077919 Read Free Preview Questions https://nbcampus.com/product/postgresql-interview-questions Buy Now https://nbcampus.com/product/postgresql-interview-questions #ITCertification #AWS #Google #Azure #ITJobs #ITCareer #PostgreSQL

WAL Switch Manually – PostgreSQL database

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PostgreSQL – WAL Switch Manually PostgreSQL database writes database changes to WAL files. It will automatically start writing to next WAL when the current WAL file fill completely.Additionally, you can do WAL switch manually too. If the transaction load is small, then it may take a long time to fill the current WAL file. In …

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recovery across timeline – PostgreSQL database

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PostgreSQL – recovery across timeline Every time, dba perform incomplete recovery, PostgreSQL database creates a new timeline.Thus timeline is required to distinguish between WAL files genered before and after incomplete recovery. Let’s try to understand it with below mentioned scenario. Database is running fine and a critical table was dropped with WAL 2 was active. …

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Crash recovery – PostgreSQL Manage Crash recovery time

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PostgreSQL – Manage Crash recovery time Though database is designed to be up and running always but incidents do happen. In case database get crashed, we should ensure that it will be up and running within agreed amount of time. We can control it by tuning checkpointing. Checkpoint ensures that changes till that point of …

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