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Displaying posts with tag: relation (reset)

MySQL – Alter table-change datatype of column with foreign key
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posted by Kedar on Mon 23 Apr 2012 12:08 UTC
Tags:
(edit) mysql, alter table, Foreign Key, relation, change datatype
Schema alteration is a big headache especially when it has already reached to production and things get worse when the relations are involved. Below is a short example for altering...
A many to many relationship table – solving the exclude relation problem
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posted by Ilan Hazan on Tue 18 Jan 2011 12:36 UTC
Tags:
(edit) Cool MySQL Queries, pivot, exclude, inner query, many to many, relation
A MySQL many to many relationship is a relationship that is multi-valued in both directions. Given that, how can you select rows that don’t have a specific relationship (the exclude relation problem)? I will start by defining the MySQL Many to Many relationship (Experts can skip to the next paragraph) What is A MySQL many [...]
Showing entries 1 to 2

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