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by TheTank
2183 days ago
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Very accurate! Regarding the theme of joins, I would just add that QuestDB also has a concept called SYMBOL which allows to store repetitive strings into a table as an integer in the background, while letting the user manipulate strings. This means that instead of storing something like 'sensor_id' and then looking up the corresponding 'sensor_name' using a join, you can manipulate 'sensor_name' directly and skip using joins. |
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