# \#everychange

**URL:** https://community.openhab.org/tag/everychange/547.md

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## [Persist strategy "everyChange" incl. the last known value before change](https://community.openhab.org/t/persist-strategy-everychange-incl-the-last-known-value-before-change/7571)

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**Author:** [@Derka](https://community.openhab.org/u/Derka)\
**Replies:** 46\
**Last updated:** [November 22, 2021, 7:22pm UTC](https://community.openhab.org/t/persist-strategy-everychange-incl-the-last-known-value-before-change/7571 "2021-11-22T19:22:48Z")

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Hi, I use JDBC binding to store power status of my gas heating (on/off, RPM of fan, and other non-continuous states). To save space in db, I would like to avoid interval storing. The persist strategy everyChange seems a…