回答編集履歴
3
修正
test
CHANGED
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@@ -2,11 +2,11 @@
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2
2
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3
3
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4
4
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5
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-
1. tel毎のtimeの最大値を求める
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5
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+
1. tel毎のtimeとidの最大値を求める
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6
6
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7
7
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1. 最大値を元のテーブルと結合する
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8
8
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9
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-
1. timeの最大値
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9
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+
1. timeの最大値、idの最大値、timeで降順にソートする
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10
10
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11
11
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12
12
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@@ -34,9 +34,11 @@
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34
34
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35
35
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,MAX(time) AS maxtime
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36
36
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37
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+
,MAX(id) AS maxid
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38
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+
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37
39
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FROM
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38
40
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39
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-
tabname
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41
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+
tablename
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40
42
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41
43
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GROUP BY
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42
44
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@@ -50,6 +52,8 @@
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50
52
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51
53
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t2.maxtime DESC
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52
54
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55
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+
,t2.maxid DESC
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56
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+
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53
57
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,t1.time DESC
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54
58
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55
59
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;
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2
修正
test
CHANGED
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@@ -50,11 +50,7 @@
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50
50
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51
51
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t2.maxtime DESC
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52
52
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53
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-
,t1.id DESC
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54
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-
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55
53
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,t1.time DESC
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56
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-
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57
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-
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58
54
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59
55
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;
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60
56
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1
修正
test
CHANGED
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@@ -50,7 +50,11 @@
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50
50
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51
51
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t2.maxtime DESC
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52
52
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53
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+
,t1.id DESC
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54
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+
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53
55
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,t1.time DESC
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56
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+
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57
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+
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54
58
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55
59
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;
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56
60
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