import java.sql.*; public class CheckBindingTable { public static void main(String[] a) throws Exception { String host = "cq-cdb-8fjmemkb.sql.tencentcdb.com:27220"; String user = "root"; String pwd = "Ylrz_1q2w3e4r5t6y"; for (String db : new String[]{"fs_tenant_cs1", "ylrz_saas_tenant_1", "ylrz_saas"}) { String url = "jdbc:mysql://" + host + "/" + db + "?useSSL=false&serverTimezone=GMT%2B8"; try (Connection c = DriverManager.getConnection(url, user, pwd)) { try (ResultSet rs = c.createStatement().executeQuery( "SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='company_tag_template_binding'")) { rs.next(); System.out.println(db + " has company_tag_template_binding: " + (rs.getInt(1) > 0)); } } } } }