Merge branch 'tc-db-docs' into 'master'
Add some more database docs See merge request gitlab-org/gitlab-ce!28784
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@ -80,8 +80,9 @@ Planning time: 2.861 ms
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Execution time: 3428.596 ms
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Execution time: 3428.596 ms
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```
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```
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For more information, refer to the official [EXPLAIN
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For more information, refer to the official
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documentation](https://www.postgresql.org/docs/current/static/sql-explain.html).
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[`EXPLAIN` documentation](https://www.postgresql.org/docs/current/sql-explain.html)
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and [using `EXPLAIN` guide](https://www.postgresql.org/docs/current/using-explain.html).
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## Nodes
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## Nodes
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@ -674,3 +675,9 @@ For more information about the available options, run:
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```
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```
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/chatops run explain --help
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/chatops run explain --help
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```
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```
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## Further reading
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A more extensive guide on understanding query plans can be found in
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the [presentation](https://www.dalibo.org/_media/understanding_explain.pdf)
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from [Dalibo.org](https://www.dalibo.org/en/).
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