I have a table called "Assets" which contains a column called "ID_Asset".
I need to set a "valid if" that will not allow me to create a record if that "ID_Asset" already exists in the table.
I can not mark it as key, as it is another column in the table.
Greetings!
How to Prevent Duplicate Records - Google Cloud Community
BTW, questions like this should be posted in the Q&A board, where they're more likely to be seen by someone who can provide an answer and won't confuse anyone reviewing this Tips board for the type of content it's intended for. I suggested to moderators that they move the post.
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