Compared to SQL , however , it is more complex but less powerfulSee the Introduction -LRB- p. NUMBER@1 -RRB- of '' expert one-on-one : J2EE Desing and Development `` , -LRB- c -RRB- NUMBER@2 wrox press .

It is more complex but less powerful than SQLSee the Introduction -LRB- p. NUMBER@1 -RRB- of '' expert one-on-one : J2EE Desing and Development `` , -LRB- c -RRB- NUMBER@2 wrox press .
