Performance in SQL Mobile with one big column that's not being selected
- by Anthony Mastrean
I have a SQL Mobile database with one table. It has several columns with useful, often queried data and one column that stores a relatively large string per record (1000+ characters) that is not queried often.
Imagine this fake schema, the "lifeStory" field is the large one.
table1
String firstName
String lastName
String address
String lifeStory
A representative query would be
SELECT firstName, lastName, address FROM table1 WHERE firstName = :p1
Does anyone know of any performance concerns leaving that large, infrequently queried column in this table?