Tag relational-theory - Это страница 8 - GeneraCodice

Is sql_variant compatible with First Normal Form (1NF)?

https://www.generacodice.com/ru/articolo/2803101/is-sql-variant-compatible-with-first-normal-form-1nf
  sql-server  -  database-design  -  normalization  -  relational-theory  -  sql-variant-property
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Question concerning minimal/cannonical cover

https://www.generacodice.com/ru/articolo/2793937/question-concerning-minimal-cannonical-cover
  dependencies  -  join  -  normalization  -  relational-algebra  -  relational-theory
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What normalization rules does this table break

https://www.generacodice.com/ru/articolo/2793684/what-normalization-rules-does-this-table-break
  normalization  -  relational-theory  -  eav
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Relations and Sets

https://www.generacodice.com/ru/articolo/2768444/relations-and-sets
  schema  -  primary-key  -  relational-theory  -  cardinality-estimates
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Equivalent of SQL’s “INNER JOIN USING” in relational algebra

https://www.generacodice.com/ru/articolo/2756630/equivalent-of-sql-s-inner-join-using-in-relational-algebra
  join  -  relational-algebra  -  relational-theory
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Is there a name for this pattern, representing one-to-many relationships by adding columns with an index to a single table?

https://www.generacodice.com/ru/articolo/2736525/is-there-a-name-for-this-pattern-representing-one-to-many-relationships-by-adding-columns-with-an-index-to-a-single-table
  database-design  -  database-theory  -  relational-theory
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Do data types go into a Relational Data Model (RDM)?

https://www.generacodice.com/ru/articolo/2713728/do-data-types-go-into-a-relational-data-model-rdm
  database-design  -  relational-theory
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How Wide-columns databases achieve dynamic columns on the storage layout? [closed]

https://www.generacodice.com/ru/articolo/2710852/how-wide-columns-databases-achieve-dynamic-columns-on-the-storage-layout-closed
  nosql  -  cassandra  -  relational-theory
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Groups relationships - Detailed or Direct?

https://www.generacodice.com/ru/articolo/2709526/groups-relationships-detailed-or-direct
  sql-server  -  relational-theory
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unusual relation, binary aspect

https://www.generacodice.com/ru/articolo/2707557/unusual-relation-binary-aspect
  mysql  -  performance  -  database-design  -  denormalization  -  relational-theory
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