mysql> USE dw;
DATABASE changed
mysql> TRUNCATE `sale_district_avgprice`;
Query OK, 0 rows affected (0.00 sec)
mysql> TRUNCATE `sale_metro_avgprice`;
Query OK, 0 rows affected (0.01 sec)
mysql> TRUNCATE `sale_sector_avgprice`;
Query OK, 0 rows affected (0.01 sec)
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