我有一个mysql表voucher_codes,其模式如下:+--------------------+----------------但是,与使用redeem_flag 0的查询相比,redeem_flag作为1的查询所花费的时间更短。结果如下:
mysql> select promo_code from voucher_codes where redeem_flag =0 and fk_voucher_rule_id=1
Deleted 2 rule(s).Adding a Windows Firewall rule for MySQL80 on port 5050.Attempting to add a Windows Firewall rule with command: netsh.exe advfirewall firewall add rule name=Successfully added the Windows Firewall rule.Starting process with comm