# Unique primary key **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [January 12, 2022, 7:30pm UTC](https://community.thunkable.com/t/unique-primary-key/1670922 "2022-01-12T19:30:25Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [January 12, 2022, 7:30pm UTC](https://community.thunkable.com/t/unique-primary-key/1670922/1 "2022-01-12T19:30:25Z")
Hello, how to avoid that one new record is created with the same primary key of another one ? thanks Guido ---
**Author:** ![Dean\_Artis](https://avatars.discourse-cdn.com/v4/letter/d/a8b319/32.png) [@Dean\_Artis](https://community.thunkable.com/u/Dean_Artis)\ **Post date:** [January 12, 2022, 7:40pm UTC](https://community.thunkable.com/t/unique-primary-key/1670922/2 "2022-01-12T19:40:00Z")
When creating a new key check to see if it already exists. If it doesn’t then great, if it does then generate a new key and check again. ---
**Author:** ![muneer](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/muneer/32/75210_2.png) [@muneer](https://community.thunkable.com/u/muneer)\ **Post date:** [January 12, 2022, 8:21pm UTC](https://community.thunkable.com/t/unique-primary-key/1670922/3 "2022-01-12T20:21:57Z")
Use the Row ID as your key and it will always be unique. ---
**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\ **Post date:** [April 12, 2022, 8:22pm UTC](https://community.thunkable.com/t/unique-primary-key/1670922/4 "2022-04-12T20:22:58Z")
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