Ops, inverted index*!
2013/8/26 Sávio Teles <savio.te...@lupa.inf.ufg.br> > 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 > -- 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
