Is data integrity possible without normalization?
I am working on an application that requires the storage of location information such as city, state, zip code, latitude, and longitude. I would like to ensure:
Is data integrity possible without normalization?
I am working on an application that requires the storage of location information such as city, state, zip code, latitude, and longitude. I would like to ensure:
Do You Still Need Indexing After Database Normalization
After you have done a good normalization, do you still need to index the table? How is this going to affect the performance? Will it even affect the performance in some way after a good normalization?
How to remove data redundancy in a table? [closed]
Closed 11 years ago.
How to remove data redundancy in a table? [closed]
Closed 11 years ago.
How to remove data redundancy in a table? [closed]
Closed 11 years ago.
Distance calculation and data normalization
I’m designing a system which needs to report basic distance between zip codes. It will use the Google Distance Matrix API but I want to cache the results in the database so that multiple requests for the same data points don’t result in duplicate API calls.
Why should a column in a Relational Database have a single purpose?
Consider a table in which a column represents a monetary value in some cases and a link to the value of another record in other cases so that we have the following:
Why should a column in a Relational Database have a single purpose?
Consider a table in which a column represents a monetary value in some cases and a link to the value of another record in other cases so that we have the following:
Why should a column in a Relational Database have a single purpose?
Consider a table in which a column represents a monetary value in some cases and a link to the value of another record in other cases so that we have the following: