SQL Pro · CREATE TABLE · Constraints
Create a controlled table for invoicing 2 training scenario
Create a structure that rejects duplicate IDs and negative values. You must produce the result, check it on the source data and explain what it allows you to decide in this billing system.
SQL Essentials
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Create a controlled table for invoicing 2 training scenario is part of the complete programme: 38 lessons, 62 verifiable exercises and 8 published guided projects.
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