Commonly Asked Questions
------------------------------------------------------------------------------
 How do I use the Mach SIx with an existing application?
 What is query optimization?
 What commands can I optimize?
 When should I use optimization?
 What is an optimizable expression ?
 How can I tell if an expression is optimizable?
 Can I optimize queries using DBFNTX ?
 Should I index every field, to make my queries 100% optimizable?
 Mach SIx says my query is optimizable, why is it still slow?
 Can I optimize queries using relationships?
 Why am I getting an "INTERNAL ERROR: 5320"?
 What causes a "MEMORY OVERBOOKED" error during compilation?