Tag relational-theory - Dies ist Seite 35 - GeneraCodice

Symmetric self-referential many-to-many

https://www.generacodice.com/de/articolo/1507588/symmetric-self-referential-many-to-many
  database-design  -  relational-theory  -  foreign-key  -  constraint
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How to have a one-to-many relationship with a privileged child?

https://www.generacodice.com/de/articolo/1507294/how-to-have-a-one-to-many-relationship-with-a-privileged-child
  sql-server  -  database-design  -  normalization  -  relational-theory  -  foreign-key
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SQL Server 2008 - How would I create a dynamic query for finding relationships and references to the primary key?

https://www.generacodice.com/de/articolo/1497687/sql-server-2008-how-would-i-create-a-dynamic-query-for-finding-relationships-and-references-to-the-primary-key
  sql-server-2008  -  relational-theory
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Relation candidate keys

https://www.generacodice.com/de/articolo/1495881/relation-candidate-keys
  relational-theory
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How should I model a worflow of status/activities ? (rules like “if is 3 go to 4, if is 4 go to 5” etc)

https://www.generacodice.com/de/articolo/1495129/how-should-i-model-a-worflow-of-status-activities-rules-like-if-is-3-go-to-4-if-is-4-go-to-5-etc
  sql-server-2008  -  database-design  -  relational-theory
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Database Design - One table for different types of transactions

https://www.generacodice.com/de/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/de/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/de/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/de/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/de/articolo/1477716/why-does-ansi-sql-define-sum-no-rows-as-null
  null  -  aggregate  -  relational-theory  -  sql-standard
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