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标签relational-theory - 这是页5 - GeneraCodice
Why is this relation not in Boyce-Codd Normal Form (BCNF)?
https://www.generacodice.com/cn/articolo/3060357/why-is-this-relation-not-in-boyce-codd-normal-form-bcnf
database-design
-
dependencies
-
normalization
-
relational-theory
dba.stackexchange
How do I bring a relation/table to first normal form (1NF) when one of the attributes/columns can hold any number of values?
https://www.generacodice.com/cn/articolo/3056529/how-do-i-bring-a-relation-table-to-first-normal-form-1nf-when-one-of-the-attributes-columns-can-hold-any-number-of-values
database-design
-
normalization
-
relational-theory
dba.stackexchange
Normalization with two potential primary keys
https://www.generacodice.com/cn/articolo/3052407/normalization-with-two-potential-primary-keys
database-design
-
dependencies
-
normalization
-
relational-theory
dba.stackexchange
Does a computed column break 3NF (third normal form)?
https://www.generacodice.com/cn/articolo/2993003/does-a-computed-column-break-3nf-third-normal-form
sql-server
-
database-design
-
normalization
-
sql-server-2012
-
relational-theory
dba.stackexchange
Determining minimal cover of a relation
https://www.generacodice.com/cn/articolo/2991000/determining-minimal-cover-of-a-relation
database-design
-
normalization
-
relational-theory
dba.stackexchange
Is a table without a primary key normalized?
https://www.generacodice.com/cn/articolo/2896890/is-a-table-without-a-primary-key-normalized
database-design
-
normalization
-
relational-theory
dba.stackexchange
What is the meaning of “minimal key”?
https://www.generacodice.com/cn/articolo/2862128/what-is-the-meaning-of-minimal-key
terminology
-
primary-key
-
relational-theory
-
candidate-key
dba.stackexchange
Inserting data into a 3NF database [closed]
https://www.generacodice.com/cn/articolo/2837703/inserting-data-into-a-3nf-database-closed
mysql
-
database-design
-
phpmyadmin
-
relational-theory
dba.stackexchange
For BCNF decomposition, is it okay to have a relation with none of the original functional dependencies?
https://www.generacodice.com/cn/articolo/2825862/for-bcnf-decomposition-is-it-okay-to-have-a-relation-with-none-of-the-original-functional-dependencies
database-design
-
normalization
-
relational-theory
dba.stackexchange
Confusion with Tuple Relation Calculus Operations
https://www.generacodice.com/cn/articolo/2825132/confusion-with-tuple-relation-calculus-operations
database-theory
-
relational-theory
-
relational-calculus
dba.stackexchange
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发现结果: 395