A lookup table is normally a table that acts as a "master list" for something and you use it to look up a business key value (like "Make") in exachange for it's identifier (like the id column) for use in some …

Jul 2, 2016 · Lookup tables (or code tables, as some people call them) are usually a collection of the possible values that can be given for a certain column. For example, suppose we have a lookup …

Aug 1, 2018 · I made a program recently that dealt with a lot of if/else statements to return particular values. Someone recommended using lookup tables instead. My question is, How do they work and …

Jan 28, 2011 · A lot of the applications I write make use of lookup tables, since that was just the way I was taught (normalization and such). The problem is that the queries I make are often more …

Jun 1, 2011 · In my database, many tables have the 'State' field, representing the state that, that particular entity falls in. I have been told that we should use Lookup tables for this kind of thing, but I am

Oct 17, 2013 · Certainly it's possible to continue to expand this lookup table to cater for a growing number of standard errors/variations, but if this is a constant flow of information there's a …

Sep 8, 2018 · The lookup table will contain all possible 256 values of a single byte, mapping one byte to a uint32 (basically what is in hash variable before the loop and what is inside after).

In your Employees table, I'd only have a lookup for "Position" because it a limited set of data that can expand. Gender is self-describing (say M or F), limited to known values, and can be enforced with a …

Otherwise lookup tables with appropriately implemented foreign keys are pretty much always the best option. There is a possible variation on the lookup table option where you potentially have a large …

Jul 4, 2013 · The most import imperative of all software design is to manage complexity, if you define a lookup table as a global structure you may later create unnecessary dependencies between modules …