Tag relational-algebra - Это страница 1 - GeneraCodice

Convert SQL code to Relational Algebra

https://www.generacodice.com/ru/articolo/13689952/convert-sql-code-to-relational-algebra
  mysql  -  sql  -  relational-algebra
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Lossless Join and Decomposition From Functional Dependencies

https://www.generacodice.com/ru/articolo/13626109/lossless-join-and-decomposition-from-functional-dependencies
  join  -  relational-algebra  -  database-normalization  -  functional-dependencies  -  lossless
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Relational Calculus Left Outer Join

https://www.generacodice.com/ru/articolo/13503676/relational-calculus-left-outer-join
  database  -  left-join  -  tuples  -  relational-algebra  -  tuple-relational-calculus
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LEFT JOIN on a nullable column. What is the behaviour?

https://www.generacodice.com/ru/articolo/13370842/left-join-on-a-nullable-column-what-is-the-behaviour
  mysql  -  sql  -  left-join  -  join  -  relational-algebra
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Finding a matching list of items in SQL

https://www.generacodice.com/ru/articolo/13246030/finding-a-matching-list-of-items-in-sql
  sql  -  sql-server  -  relational-algebra
StackOverflow StackOverflow

Expressing relational calculus & algebra queries in plain English re passengers, flights & trips in economy

https://www.generacodice.com/ru/articolo/13037602/expressing-relational-calculus-algebra-queries-in-plain-english-re-passengers-flights-trips-in-economy
  mysql  -  sql  -  relational-database  -  relational-algebra  -  domain-calculus
StackOverflow StackOverflow

Relational algebra, finding how many a number is called

https://www.generacodice.com/ru/articolo/12926719/relational-algebra-finding-how-many-a-number-is-called
  sql  -  relational-algebra
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SQL translation into Relational Algebra NOT IN

https://www.generacodice.com/ru/articolo/12637078/sql-translation-into-relational-algebra-not-in
  sql  -  relational-algebra
StackOverflow StackOverflow

How to count tuples containing the same value?

https://www.generacodice.com/ru/articolo/12615421/how-to-count-tuples-containing-the-same-value
  mysql  -  relational-database  -  relational-algebra
StackOverflow StackOverflow

Natural Join query in relational algebra?

https://www.generacodice.com/ru/articolo/12519812/natural-join-query-in-relational-algebra
  relational  -  relational-algebra
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