SET FOREIGN_KEY_CHECKS = 0;

TRUNCATE TABLE 	contracts;
TRUNCATE TABLE mc_rdrow_sil;
TRUNCATE TABLE mc_row_sil;
TRUNCATE TABLE mcs;
TRUNCATE TABLE rdrows;
TRUNCATE TABLE `rows`;
TRUNCATE TABLE sals;
TRUNCATE TABLE sils;

SET FOREIGN_KEY_CHECKS = 1;