A key is a set of attributes that is irreducibly unique and non-nullable within a table.
What happens when a UUID() generated by MySQL is not unique? If this is for a column that is a …
mysql uuid uniqueidentifier unique-keyIm trying to learn Node.js without using any third party modules or frameworks. I'm getting to the point where …
node.js cookies uniqueidentifier unique-keyI'm not great with statistical mathematics, etc. I've been wondering, if I use the following: import uuid unique_str = str(…
math random unique uuid unique-keyI keep getting: SQL error: ERROR: could not create unique index "service_import_checksum_key" DETAIL: Key (checksum)=() is duplicated. …
postgresql constraints unique-constraint unique-keyI'm using Firebase in my project and I was trying to create a unique key using Firebase. Using this key …
java android firebase firebase-realtime-database unique-keyI know that i can make two columns unique keys, but that's not exactly what i want. I want that …
mysql database key unique-key