function FileData_Pairs(x)
{
x.t("example","created");
x.t("statements","database");
x.t("supports","indexes");
x.t("improve","performance");
x.t("improving","row");
x.t("uses","index");
x.t("statement","uses");
x.t("statement","however");
x.t("statement","index");
x.t("smith","second");
x.t("smith","select");
x.t("however","index");
x.t("emp","upper");
x.t("emp","last_name");
x.t("indexes","improve");
x.t("indexes","improving");
x.t("indexes","expressions");
x.t("upper","function");
x.t("upper","(last_name)");
x.t("performance","improving");
x.t("performance","indexes");
x.t("performance","selections");
x.t("performance","using");
x.t("exactly","example");
x.t("selection","performance");
x.t("selection","condition");
x.t("second","statement");
x.t("select","statements");
x.t("select","statement");
x.t("select","emp");
x.t("function","select");
x.t("expressions","define");
x.t("define","index");
x.t("row","selection");
x.t("index","select");
x.t("index","whose");
x.t("index","expression");
x.t("index","clause");
x.t("index","using");
x.t("match","selection");
x.t("match","index");
x.t("database","supports");
x.t("whose","expression");
x.t("last_name","smith");
x.t("last_name","plan");
x.t("last_name","following");
x.t("(last_name)","smith");
x.t("(last_name)","match");
x.t("condition","exactly");
x.t("plan","upper");
x.t("expression","upper");
x.t("expression","match");
x.t("expression","last_name");
x.t("selections","index");
x.t("created","index");
x.t("following","select");
x.t("clause","contains");
x.t("using","indexes");
x.t("using","expression");
x.t("contains","upper");
}