Database/SQL: How to store longitude/latitude data?
float(10,6) is just fine. Any other convoluted storage schemes will require more translation in and out, and floating-point math is plenty fast.
sqlperformance
Difference between Key, Primary Key, Unique Key and Index in MySQL
KEY and INDEX are synonyms in MySQL. They mean the same thing. In databases you would use indexes to improve the speed of data retrieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses. Imagine you have a table called users and you want to search for all the … Read more