Do I Have to use revert index to optimize range query operation?
2013/8/23 Sávio Teles <savio.te...@lupa.inf.ufg.br> > I need to perform range query efficiently. I have the table like: > > users > ------- > user_id | age | gender | salary | ... > > The attr user_id is the PRIMARY KEY. > > Example of querying: > > select * from users where user_id = '*x*' and age > *y *and age < *z* and > salary > *a* and salary < *b *and age='M'; > > This query takes a long time to run. Any ideas to perform it efficiently? > > Tks in advance. > > > -- > Atenciosamente, > Sávio S. Teles de Oliveira > voice: +55 62 9136 6996 > http://br.linkedin.com/in/savioteles > Mestrando em Ciências da Computação - UFG > Arquiteto de Software > Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG > -- Atenciosamente, Sávio S. Teles de Oliveira voice: +55 62 9136 6996 http://br.linkedin.com/in/savioteles Mestrando em Ciências da Computação - UFG Arquiteto de Software Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG
