表結構:
表中數據總條數:2926
1. 統計每天的單數
SELECT COUNT(*),DATE_FORMAT(t.create_time,'%Y-%m-%d') from t_call_record t GROUP BY DATE_FORMAT(t.create_time,'%Y-%m-%d') (執行時間:0.003s)
SELECT count(*),DATE_FORMAT(t.create_time,'%Y-%m-%d') from t_call_record t GROUP BY TO_DAYS(t.create_time) (執行時間:0.002s)
第二種優於第一種,會列出所有的單子
1.2 統計上個月的天數據
SELECT count(*),DATE_FORMAT(t.create_time,'%Y-%m-%d') from t_call_record t where YEAR(t.create_time) = '2018' GROUP BY DAY(t.create_time)
(執行時間:0.001s)按天統計從上個月最後一天向前推的31天數據
1.3 按周統計數據
SELECT count(*),WEEK(t.create_time),MONTH(t.create_time) from t_call_record t where YEAR(t.create_time) = '2018' GROUP BY WEEK(t.create_time)(執行時間:0.002s)
1.4 按月統計數據
SELECT count(*),MONTH(t.create_time) from t_call_record t where YEAR(t.create_time) = '2018' GROUP BY MONTH(t.create_time)
(執行時間:0.002s)
1.5 按照年統計數據
SELECT count(*),YEAR(t.create_time) from t_call_record t where YEAR(t.create_time) = '2018' GROUP BY YEAR(t.create_time)(執行時間:0.001s)
1.6 按照季度統計數據
SELECT count(*),QUARTER(t.create_time) from t_call_record t where YEAR(t.create_time) = '2018' GROUP BY QUARTER(t.create_time)
(執行時間:0.001s)
1.7 查詢本年度數據
SELECT * from t_call_record t WHERE year(t.create_time) = year(curdate()) (執行時間:0.005s)
1.8 查詢本季度數據
SELECT * from t_call_record where quater(t.create_time) = QUARTER(curdate()) (執行時間0.004s)
1.9 查詢本月度數據
SELECT * from t_call_record where MONTH(create_time) = MONTH(CURDATE()) and year(create_time) = year(curdate())(執行時間:0.004s)
1.20 查詢本週數據
SELECT * from t_call_record t where MONTH(t.create_time) = MONTH(CURDATE()) and WEEK(t.create_time) = WEEK(CURDATE())(執行時間0.003s)
1.21 查詢近5天的記錄
SELECT * from t_call_record t where TO_DAYS(NOW())-TO_DAYS(t.create_time) <= 5(執行時間: 0.003s)