转载源:http://www.jb51.net/article/42613.htm

SQL按照日、周、月、季度、年统计数据的方法

方式一:

--按日 
select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date])

--按周quarter 
select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datename(week,[date])

--按月 
select sum(consume),month([date]) from consume_record where year([date]) = '2006' group by month([date])

--按季 
select sum(consume),datename(quarter,[date]) from consume_record where year([date]) = '2006' group by datename(quarter,[date])

--按年
select sum(consume),year([date]) from consume_record where  group by year([date])

方式二:

sqlserver 截取日期年份和月份使用datepart函数,函数使用方法如下:

一、函数功能:DATEPART() 函数用于返回日期/时间的单独部分,比如年、月、日、小时、分钟等等。

二、语法:DATEPART(datepart,date)

三、参数说明:date 参数是合法的日期表达式。datepart 参数可以是下列的值:

四、实例

1、截取年份:datepart(yy,'2017-1-1') 返回:2017

2、截取月份:datepart(mm,'2017-1-1') 返回:1

五、datepart函数返回的是整型数值,如果需要返回字符型,那么使用datename()函数,用法与datepart相同,只是返回数据类型不同。

常见错误

--选择列表中的列 'dbo.v_yjdatealljg.cjrq' 无效,因为该列没有包含在聚合函数或 GROUP BY 子句中。
--把所有按组排序的依据都加上 yjxzqid, cjdd, ncpid, YEAR([cjrq]), month([cjrq])
--去掉农产品名称 ncpmc
SELECT yjxzqid, cjdd, ncpid, YEAR([cjrq]) as [year], month([cjrq]) as [month], avg( ttjg)as ttjg, avg(pfjg)as pfjg, avg(lsjg)as lsjg
FROM dbo.v_yjdatealljg group by yjxzqid, cjdd, ncpid, YEAR([cjrq]), month([cjrq])

DATE_FORMAT

1
2
3
select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks;
select DATE_FORMAT(create_time,'%Y%m%d') days,count(caseid) count from tc_case group by days;
select DATE_FORMAT(create_time,'%Y%m') months,count(caseid) count from tc_case group by months;

DATE_FORMAT(date,format) 
根据format字符串格式化date值。下列修饰符可以被用在format字符串中: 
%M 月名字(January……December) 
%W 星期名字(Sunday……Saturday) 
%D 有英语前缀的月份的日期(1st, 2nd, 3rd, 等等。) 
%Y 年, 数字, 4 位 
%y 年, 数字, 2 位 
%a 缩写的星期名字(Sun……Sat) 
%d 月份中的天数, 数字(00……31) 
%e 月份中的天数, 数字(0……31) 
%m 月, 数字(01……12) 
%c 月, 数字(1……12) 
%b 缩写的月份名字(Jan……Dec) 
%j 一年中的天数(001……366) 
%H 小时(00……23) 
%k 小时(0……23) 
%h 小时(01……12) 
%I 小时(01……12) 
%l 小时(1……12) 
%i 分钟, 数字(00……59) 
%r 时间,12 小时(hh:mm:ss [AP]M) 
%T 时间,24 小时(hh:mm:ss) 
%S 秒(00……59) 
%s 秒(00……59) 
%p AM或PM 
%w 一个星期中的天数(0=Sunday ……6=Saturday ) 
%U 星期(0……52), 这里星期天是星期的第一天 
%u 星期(0……52), 这里星期一是星期的第一天 
%% 一个文字“%”。

本文只是记录在项目中用到的统计的SQL语句,记一笔以防忘了

 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/// <summary>
   /// 获取统计数据
   /// </summary>
   /// <param name="CKEY">店面ckey</param>
   /// <param name="type">统计类型(日、周、月、年)</param>
   /// <returns></returns>
   [WebMethod(true)]
   public static string GetData3(string CKEY, string type)
   {
     StringBuilder strSql = new StringBuilder();
      
     #region SQL语句
 
     if (type == "0")
     {
       #region 日
       strSql.AppendFormat(" WITH  WeekDate ");
       strSql.AppendFormat("     AS ( SELECT  DATEADD(d, -DAY(GETDATE()) + 1, GETDATE()) AS riqi ");
       strSql.AppendFormat("       UNION ALL ");
       strSql.AppendFormat("       SELECT  riqi + 1 FROM   WeekDate ");
       strSql.AppendFormat("       WHERE  riqi + 1 <= ( SELECT  DATEADD(d, -DAY(GETDATE()), DATEADD(m, 1, GETDATE())) ) ");
       strSql.AppendFormat("      ) ");
       strSql.AppendFormat("  SELECT CONVERT(CHAR(8), a.riqi, 112) AS 日 ,DAY (CONVERT(CHAR(8), a.riqi, 112)) AS DDay, ");
       strSql.AppendFormat("      ISNULL(tbB.日成交量, 0) AS 日成交量 , ");
       strSql.AppendFormat("      CASE WHEN CONVERT(CHAR(8), a.riqi, 112) > CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("        THEN NULL ");
       strSql.AppendFormat("        WHEN CONVERT(CHAR(8), a.riqi, 112) <= CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("        THEN ISNULL(tbB.日成交量, 0) ");
       strSql.AppendFormat("      END AS 日成交数量 , ");
       strSql.AppendFormat("      tbB.日实收金额 , ");
       strSql.AppendFormat("      CASE WHEN CONVERT(CHAR(8), a.riqi, 112) > CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("        THEN NULL ");
       strSql.AppendFormat("        WHEN CONVERT(CHAR(8), a.riqi, 112) <= CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("        THEN ISNULL(tbB.日实收金额, 0) ");
       strSql.AppendFormat("      END AS 日实收金额2 ");
       strSql.AppendFormat("  FROM  WeekDate a ");
       strSql.AppendFormat("      LEFT JOIN ( SELECT ( SELECT  COUNT(1) ");
       strSql.AppendFormat("                 FROM   dbo.CustomerBase base ");
       strSql.AppendFormat("                 WHERE   CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                      AND " + impomo.TotalConsumptionMon + " > 0 ");
       strSql.AppendFormat("                      AND TargetDate = cus.TargetDate ");
       strSql.AppendFormat("                ) 日成交量 , ");
       strSql.AppendFormat("                ISNULL(( SELECT SUM(Total) ");
       strSql.AppendFormat("                    FROM  ( SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                         FROM   PaymentContent AS pay ");
       strSql.AppendFormat("                         WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                              AND pay.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                         UNION ALL ");
       strSql.AppendFormat("                         SELECT  SUM(CONVERT(FLOAT, ISNULL(RecMoney, 0))) AS Total ");
       strSql.AppendFormat("                         FROM   dbo.CardRecharge8 AS recharge ");
       strSql.AppendFormat("                         WHERE   RechargDate = cus.TargetDate ");
       strSql.AppendFormat("                              AND recharge.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                         UNION ALL ");
       strSql.AppendFormat("                         SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                         FROM   dbo.PaymentSwimming AS payswim ");
       strSql.AppendFormat("                         WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                              AND payswim.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                         UNION ALL ");
       strSql.AppendFormat("                         SELECT  SUM(CONVERT(FLOAT, ISNULL(( wp1 + wp2 + wp3 + wp4 + wp5 ), 0))) AS Total ");
       strSql.AppendFormat("                         FROM   WarePaymentContent AS ware ");
       strSql.AppendFormat("                         WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                              AND ware.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                        ) B ");
       strSql.AppendFormat("                   ), 0) AS 日实收金额 , ");
       strSql.AppendFormat("                TargetDate 日 ");
       strSql.AppendFormat("            FROM  dbo.CustomerBase cus ");
       strSql.AppendFormat("            WHERE  YEAR(TargetDate) = YEAR(GETDATE()) ");
       strSql.AppendFormat("                AND MONTH(TargetDate) = MONTH(GETDATE()) ");
       strSql.AppendFormat("            GROUP BY TargetDate ");
       strSql.AppendFormat("           ) AS tbB ON CONVERT(CHAR(8), a.riqi, 112) = tbB.日 ");
       #endregion
     }
     else if (type == "1")
     {
       #region 周
       strSql.AppendFormat(" WITH  WeekDate ");
       strSql.AppendFormat("       AS ( SELECT  DATEADD(wk, DATEDIFF(wk, 0, GETDATE()), 0) AS riqi ");
       strSql.AppendFormat("         UNION ALL ");
       strSql.AppendFormat("         SELECT  riqi + 1 FROM   WeekDate ");
       strSql.AppendFormat("         WHERE  riqi + 1 <= ( SELECT  DATEADD(wk, DATEDIFF(wk, 0, GETDATE()), 6) ) ");
       strSql.AppendFormat("        ) ");
       strSql.AppendFormat("    SELECT CONVERT(CHAR(8), a.riqi, 112) AS 日 , ");
       strSql.AppendFormat("        DATENAME(weekday,CONVERT(CHAR(8), a.riqi, 112)) DDay, ");
       strSql.AppendFormat("        ISNULL(tbB.日成交量, 0) AS 日成交量 , ");
       strSql.AppendFormat("        CASE WHEN CONVERT(CHAR(8), a.riqi, 112) > CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("          THEN NULL ");
       strSql.AppendFormat("          WHEN CONVERT(CHAR(8), a.riqi, 112) <= CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("          THEN ISNULL(tbB.日成交量, 0) ");
       strSql.AppendFormat("        END AS 日成交数量 , ");
       strSql.AppendFormat("        tbB.日实收金额 , ");
       strSql.AppendFormat("        CASE WHEN CONVERT(CHAR(8), a.riqi, 112) > CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("          THEN NULL ");
       strSql.AppendFormat("          WHEN CONVERT(CHAR(8), a.riqi, 112) <= CONVERT(CHAR(8), GETDATE(), 112) ");
       strSql.AppendFormat("          THEN ISNULL(tbB.日实收金额, 0) ");
       strSql.AppendFormat("        END AS 日实收金额2 ");
       strSql.AppendFormat("    FROM  WeekDate a ");
       strSql.AppendFormat("        LEFT JOIN ( SELECT ( SELECT  COUNT(1) ");
       strSql.AppendFormat("                   FROM   dbo.CustomerBase base ");
       strSql.AppendFormat("                   WHERE   CKEY = '{0}'", CKEY);
       strSql.AppendFormat("                        AND " + impomo.TotalConsumptionMon + " > 0 ");
       strSql.AppendFormat("                        AND TargetDate = cus.TargetDate ");
       strSql.AppendFormat("                  ) 日成交量 , ");
       strSql.AppendFormat("                  ISNULL(( SELECT SUM(Total) ");
       strSql.AppendFormat("                      FROM  ( SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                           FROM   PaymentContent AS pay ");
       strSql.AppendFormat("                           WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                                AND pay.CKEY = '{0}'", CKEY);
       strSql.AppendFormat("                           UNION ALL ");
       strSql.AppendFormat("                           SELECT  SUM(CONVERT(FLOAT, ISNULL(RecMoney, 0))) AS Total ");
       strSql.AppendFormat("                           FROM   dbo.CardRecharge8 AS recharge ");
       strSql.AppendFormat("                           WHERE   RechargDate = cus.TargetDate ");
       strSql.AppendFormat("                                AND recharge.CKEY = '{0}'", CKEY);
       strSql.AppendFormat("                           UNION ALL ");
       strSql.AppendFormat("                           SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                           FROM   dbo.PaymentSwimming AS payswim ");
       strSql.AppendFormat("                           WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                                AND payswim.CKEY = '{0}'", CKEY);
       strSql.AppendFormat("                           UNION ALL ");
       strSql.AppendFormat("                           SELECT  SUM(CONVERT(FLOAT, ISNULL(( wp1 + wp2 + wp3 + wp4 + wp5 ), 0))) AS Total ");
       strSql.AppendFormat("                           FROM   WarePaymentContent AS ware ");
       strSql.AppendFormat("                           WHERE   PayDate = cus.TargetDate ");
       strSql.AppendFormat("                                AND ware.CKEY = '{0}'", CKEY);
       strSql.AppendFormat("                          ) B ");
       strSql.AppendFormat("                     ), 0) AS 日实收金额 , ");
       strSql.AppendFormat("                  TargetDate 日 ");
       strSql.AppendFormat("              FROM  dbo.CustomerBase cus ");
       strSql.AppendFormat("              WHERE  DATEPART(wk, TargetDate) = DATEPART(wk, GETDATE()) ");
       strSql.AppendFormat("                  AND DATEPART(yy, TargetDate) = DATEPART(yy, GETDATE()) ");
       strSql.AppendFormat("              GROUP BY TargetDate ");
       strSql.AppendFormat("             ) AS tbB ON CONVERT(CHAR(8), a.riqi, 112) = tbB.日 ");
       #endregion
     }
     else if (type == "2")
     {
       #region 月
 
       strSql.AppendFormat("SELECT YearMonth.月 , ");
       strSql.AppendFormat("    tb.月成交量 , ");
       strSql.AppendFormat("    CASE WHEN YearMonth.月 > MONTH(GETDATE()) THEN NULL ");
       strSql.AppendFormat("      WHEN YearMonth.月 <= MONTH(GETDATE()) THEN ISNULL(tb.月成交量, 0) ");
       strSql.AppendFormat("    END AS 月成交数量 , ");
       strSql.AppendFormat("    tb.月实收总金额 , ");
       strSql.AppendFormat("    CASE WHEN YearMonth.月 > MONTH(GETDATE()) THEN NULL ");
       strSql.AppendFormat("      WHEN YearMonth.月 <= MONTH(GETDATE()) THEN ISNULL(tb.月实收总金额, 0) ");
       strSql.AppendFormat("    END AS 月实收总金额2 ");
       strSql.AppendFormat(" FROM   ( SELECT 1 AS 月 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 ");
       strSql.AppendFormat("       UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION SELECT 10 UNION SELECT 11 UNION SELECT 12 ");
       strSql.AppendFormat("      ) AS YearMonth ");
       strSql.AppendFormat("    LEFT JOIN ( SELECT ( SELECT  COUNT(1) ");
       strSql.AppendFormat("               FROM   dbo.CustomerBase base ");
       strSql.AppendFormat("               WHERE   CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                    AND " + impomo.TotalConsumptionMon + " > 0 ");
       strSql.AppendFormat("                    AND MONTH(TargetDate) = MONTH(cus.TargetDate) ");
       strSql.AppendFormat("              ) 月成交量 , ");
       strSql.AppendFormat("              ISNULL(( SELECT SUM(Total) ");
       strSql.AppendFormat("                  FROM  ( SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                       FROM   PaymentContent AS pay ");
       strSql.AppendFormat("                       WHERE   MONTH(PayDate) = MONTH(cus.TargetDate) ");
       strSql.AppendFormat("                            AND pay.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                       UNION ALL ");
       strSql.AppendFormat("                       SELECT  SUM(CONVERT(FLOAT, ISNULL(RecMoney, 0))) AS Total ");
       strSql.AppendFormat("                       FROM   dbo.CardRecharge8 AS recharge ");
       strSql.AppendFormat("                       WHERE   MONTH(RechargDate) = MONTH(cus.TargetDate) ");
       strSql.AppendFormat("                            AND recharge.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                       UNION ALL ");
       strSql.AppendFormat("                       SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("                       FROM   dbo.PaymentSwimming AS payswim ");
       strSql.AppendFormat("                       WHERE   MONTH(PayDate) = MONTH(cus.TargetDate) ");
       strSql.AppendFormat("                            AND payswim.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                       UNION ALL ");
       strSql.AppendFormat("                       SELECT  SUM(CONVERT(FLOAT, ISNULL(( wp1 + wp2 + wp3 + wp4 + wp5 ), 0))) AS Total ");
       strSql.AppendFormat("                       FROM   WarePaymentContent AS ware ");
       strSql.AppendFormat("                       WHERE   MONTH(PayDate) = MONTH(cus.TargetDate) ");
       strSql.AppendFormat("                            AND ware.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("                      ) B ");
       strSql.AppendFormat("                 ), 0) AS 月实收总金额 , ");
       strSql.AppendFormat("              MONTH(TargetDate) 月 ");
       strSql.AppendFormat("          FROM  dbo.CustomerBase cus ");
       strSql.AppendFormat("          WHERE  YEAR(TargetDate) = YEAR(GETDATE()) ");
       strSql.AppendFormat("          GROUP BY MONTH(cus.TargetDate) ");
       strSql.AppendFormat("         ) AS tb ON YearMonth.月 = tb.月 ");
       #endregion
     }
     else if (type == "3")
     {
       #region 年
       strSql.AppendFormat("SELECT ( SELECT  COUNT(1) ");
       strSql.AppendFormat("       FROM   dbo.CustomerBase base ");
       strSql.AppendFormat("       WHERE   CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("            AND " + impomo.TotalConsumptionMon + " > 0 ");
       strSql.AppendFormat("            AND YEAR(TargetDate) = YEAR(cus.TargetDate) ");
       strSql.AppendFormat("      ) 年成交量 , ");
       strSql.AppendFormat("      CONVERT(NVARCHAR(20),CONVERT(DECIMAL(18,2),ISNULL(( SELECT SUM(Total) ");
       strSql.AppendFormat("          FROM  ( SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("               FROM   PaymentContent AS pay ");
       strSql.AppendFormat("               WHERE   YEAR(PayDate) = YEAR(cus.TargetDate) ");
       strSql.AppendFormat("                    AND pay.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("               UNION ALL ");
       strSql.AppendFormat("               SELECT  SUM(CONVERT(FLOAT, ISNULL(RecMoney, 0))) AS Total ");
       strSql.AppendFormat("               FROM   dbo.CardRecharge8 AS recharge ");
       strSql.AppendFormat("               WHERE   YEAR(RechargDate) = YEAR(cus.TargetDate) ");
       strSql.AppendFormat("                    AND recharge.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("               UNION ALL ");
       strSql.AppendFormat("               SELECT  SUM(CONVERT(FLOAT, ISNULL(( pc1 + pc2 + pc3 + pc4 + pc5 ), 0))) AS Total ");
       strSql.AppendFormat("               FROM   dbo.PaymentSwimming AS payswim ");
       strSql.AppendFormat("               WHERE   YEAR(PayDate) = YEAR(cus.TargetDate) ");
       strSql.AppendFormat("                    AND payswim.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("               UNION ALL ");
       strSql.AppendFormat("               SELECT  SUM(CONVERT(FLOAT, ISNULL(( wp1 + wp2 + wp3 + wp4 + wp5 ), 0))) AS Total ");
       strSql.AppendFormat("               FROM   WarePaymentContent AS ware ");
       strSql.AppendFormat("               WHERE   YEAR(PayDate) = YEAR(cus.TargetDate) ");
       strSql.AppendFormat("                    AND ware.CKEY = '{0}' ", CKEY);
       strSql.AppendFormat("              ) B ");
       strSql.AppendFormat("         ), 0))) AS 年实收总金额 , ");
       strSql.AppendFormat("      YEAR(TargetDate) 年 ");
       strSql.AppendFormat("  FROM  dbo.CustomerBase cus ");
       strSql.AppendFormat("  GROUP BY YEAR(TargetDate) ");
       #endregion
     }
 
     #endregion
 
     DataTable table = DBHelper.GetDateTable(strSql.ToString());
     string rs = Newtonsoft.Json.JsonConvert.SerializeObject(table);

转载:SQL按照日、周、月、年统计数据的方法的更多相关文章

  1. Flex自定义组件开发之日周月日期选择日历控件

    原文:Flex自定义组件开发之日周月日期选择日历控件         使用过DateField的我们都知道,DateField 控件是用于显示日期的文本字段,字段右侧带有日历图标.当用户在控件边框内的 ...

  2. 【SQL Server性能优化】删除大量数据的方法比较

    原文:[SQL Server性能优化]删除大量数据的方法比较 如果你要删除表中的大量数据,这个大量一般是指删除大于10%的记录,那么如何删除,效率才会比较高呢? 而如何删除才会对系统的影响相对较小呢? ...

  3. pg按日,周,月进行数据统计

    pg数据库按周,月统计数据 SELECT date_trunc('WEEK', insert_time) as insertDate, SUM(data_increment) as dataTotal ...

  4. MySQL实现按天统计数据的方法

    一.首先生成一个日期表,执行SQL如下: CREATE TABLE num (i int); ), (), (), (), (), (), (), (), (), (); CREATE TABLE i ...

  5. PHP外部调用网站百度统计数据的方法详解

    目的:外部调用网站的百度统计(tongji.baidu.com)数据. 条件:1.具备调用目标网站的百度统计平台管理权限 2.PHP环境支持curl函数. 原理:同PHP小偷程序原理,通过curl函数 ...

  6. mysql按日/周/月统计

    一.mysql按日统计 ) count ' and start_time > '2017-06-28' group by days; 二.mysql按周统计 ) ' group by weeks ...

  7. MySql 按日,按周,按月 分组 统计数据

    知识关键词:DATE_FORMAT 按天统计: SELECT DATE_FORMAT(create_time,'%Y%m%d') days, COUNT(caseid) count FROM tc_c ...

  8. MySql按周/月/日分组统计数据的方法

    知识关键词:DATE_FORMAT select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case grou ...

  9. MySql 按周/月/日统计数据的方法

    知识关键词:DATE_FORMAT  select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case gro ...

随机推荐

  1. WPF窗口启动时最大化

    在xaml对应的后台代码文件的初始化方法中: public ShellView() { InitializeComponent(); #region 启动时串口最大化显示 Rect rc = Syst ...

  2. Effective Java(1)-创建和销毁对象

    Effective Java(1)-创建和销毁对象

  3. 在Asp.net Core中使用中间件来管理websocket

    介绍 ASP.NET Core SignalR是一个有用的库,可以简化Web应用程序中实时通信的管理.但是,我宁愿使用WebSockets,因为我想要更灵活,并且与任何WebSocket客户端兼容. ...

  4. 敏捷开发-代码提交流程& 安装gerrit

  5. Mac OS 10.12 - 如何关闭Rootless机制?

    一,进入恢复模式(Recovery):具体操作方法参见下面这篇博客: http://www.cnblogs.com/sunylat/p/6414697.html 二,关闭Rootless机制 1,选择 ...

  6. 文件操作(FILE)与常用文件操作函数

    文件 1.文件基本概念 C程序把文件分为ASCII文件和二进制文件,ASCII文件又称文本文件,二进制文件和文本文件(也称ASCII码文件)二进制文件中,数值型数据是以二进制形式存储的, 而在文本文件 ...

  7. webpack快速入门——CSS进阶:SASS文件的打包和分离

    1.安裝:因为sass-loader依赖于node-sass,所以需要先安装node-sass cnpm install node-sass --save-dev cnpm install sass- ...

  8. input 下拉框 的实践

    有一个需求  需要做一个input 框  点击出现列表 于是想到了  datalist控件 <input type="text" list="itemlist&qu ...

  9. Linux 套接字通信笔记(一)

    协议 TCP(传输控制协议),UDP(用户数据包协议)为传输层重要的两大协议,向上为HTTP提供底层协议,向下为数据链路层封装底层接口,乃是通信重中之重.TCP是面向流传输的协议,在编程中形象化为St ...

  10. TestNG的常用注解

    @BeforeSuite:表示此注解的方法会在当前测试集合(Suite)中的任一测试用例开始运行之前执行 @AfterSuite:表示此注解的方法会在当前测试集合(Suite)中的所有测试程序运行结束 ...