Tag relational-theory - Это страница 36 - GeneraCodice

Database Design - One table for different types of transactions

https://www.generacodice.com/ru/articolo/1494917/database-design-one-table-for-different-types-of-transactions
  database-design  -  relational-theory
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Table Design - Identical tables for different statuses

https://www.generacodice.com/ru/articolo/1494886/table-design-identical-tables-for-different-statuses
  database-design  -  relational-theory
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First Normal Form, why is it good and how does it reduce redundancy

https://www.generacodice.com/ru/articolo/1491159/first-normal-form-why-is-it-good-and-how-does-it-reduce-redundancy
  normalization  -  relational-theory
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MySQL Workbench, how to refresh EER diagram?

https://www.generacodice.com/ru/articolo/1478053/mysql-workbench-how-to-refresh-eer-diagram
  mysql  -  mysql-workbench  -  relational-theory
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Why does ANSI SQL define SUM(no rows) as NULL?

https://www.generacodice.com/ru/articolo/1477716/why-does-ansi-sql-define-sum-no-rows-as-null
  null  -  aggregate  -  relational-theory  -  sql-standard
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Designing a user authenication (Roles & Rights) module

https://www.generacodice.com/ru/articolo/1474736/designing-a-user-authenication-roles-rights-module
  database-design  -  database-tuning  -  relational-theory  -  datatypes
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Which tables to create according to relations

https://www.generacodice.com/ru/articolo/1474634/which-tables-to-create-according-to-relations
  database-design  -  normalization  -  relational-theory
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unique constraint on a set

https://www.generacodice.com/ru/articolo/1473799/unique-constraint-on-a-set
  sql-server  -  database-design  -  relational-theory
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What is this type of query called, and how can I formulate it?

https://www.generacodice.com/ru/articolo/1468164/what-is-this-type-of-query-called-and-how-can-i-formulate-it
  mysql  -  relational-theory  -  query
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How to use a relational database to store all users who belong to a group, and all groups which a user belongs to?

https://www.generacodice.com/ru/articolo/1468041/how-to-use-a-relational-database-to-store-all-users-who-belong-to-a-group-and-all-groups-which-a-user-belongs-to
  database-design  -  relational-theory
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