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I saw someone not set the length in a tutorial but it was specifically for counting the total number of users and just set to auto-increment. I’ve been of the habit of always specifying a length because I thought it was mandatory, but I wanted to ask if I can leave it blank unless it specifically a date or pin number etc where the length is always set. (I used to set it as 11 digits or more if I wasn’t sure)
Every integer field defaults to 11 when left blank so you can leave it.