+CREATE TABLE rate (
+ ratenum serial NOT NULL,
+ reatename varchar(80) NOT NULL,
+ PRIMARY KEY (ratenum)
+);
+
+CREATE TABLE rate_detail (
+ ratenum int NOT NULL,
+ orig_regionnum int NULL,
+ dest_regionnum int NOT NULL,
+ min_included int NOT NULL,
+ min_charge decimal(10,2) NOT NULL,
+ sec_granularity int NOT NULL
+);
+CREATE UNIQUE INDEX rate_detail1 ON rate_detail ( ratenum, orig_regionnum, dest_regionnum );
+
+CREATE TABLE rate_region (
+ regionnum serial NOT NULL,
+ regionname varchar(80) NOT NULL,
+ PRIMARY KEY (regionnum)
+);
+
+CREATE TABLE rate_prefix (
+ prefixnum serial NOT NULL,
+ regionnum int NOT NULL,
+ countrycode varchar(3) NOT NULL,
+ npa varchar(4) NULL,
+ nxx varchar(3) NULL,
+ PRIMARY KEY (prefixnum)
+);
+CREATE INDEX rate_prefix1 ON rate_prefix ( countrycode );
+CREATE INDEX rate_prefix2 ON rate_prefix ( regionnum );