I\'ve been thinking about object-oriented principals / practices / paradigms such as SOLID, Law of Demeter, and DDD a lot lately and a theme that continues to surface is enforcing object cardinality.
I am running a Simple Update statement开发者_如何学Go. Its taking too long to execute. Here are the Updateand index details.
I\'m having performance problems on开发者_如何转开发 the live version of a system which I can\'t reproduce locally.
We have a massive table where I need to make an update on a single row. I don\'t know the primary key of the row, but I have a varchar value that is unique within that table. I also have the value of
I\'m confusing about 0:M relationship. So, I want to ask about that. Assumes we have 2 tables : Contact which has attributes like : ContactID(PK),
I\'m trying to find a better way in expressing my cucumbers so I am looking for an ordinal to cardinal function that converts this:
I have a legacy database imported into sql server 2008 r2 that contains no indexes and no primary/foreign keys for hundreds of tables (some with hundreds of columns). The primary keys which I\'ve iden
I am having a hard开发者_如何学Go time understanding what is the difference between the Max and Min cardinalities when trying to design adatabase.Remember cardinality is always a relationship to anoth
In Visio 2007, I can only seem to set the cardinality of the Parent-to-child relationship, but I want to set the Child-to-Parent as well. Is there a开发者_如何学JAVA reason Visio won\'t let me do this
An SRS document is provided describing various aspects of the end-product, system maintenance tool. The only paragraph I\'m failing to understand is \"Component Cardinality\". What does this term mean
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