Primary key in database table

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It is accepted that tables in relational databases should have a primary key, marked with the PK symbol. Admittedly, it is not required, although its absence will generate many problems in the future, including performance issues. Read more »

Real-time model verification

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The final product of the database model is a properly functioning database. Therefore, when designing a database in a modeling program, you should focus not so much on a nice and legible database model (although this is also important) but on correctly defined fields, indexes or relationships between tables, i. Read more »

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