回答編集履歴
1
SQL文にcount(*)を追加
test
CHANGED
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@@ -22,7 +22,7 @@
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```SQL
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-
SELECT SP1.sup, SP2.sup
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+
SELECT SP1.sup, SP2.sup, COUNT(*)
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FROM SupParts SP1, SupParts SP2
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@@ -42,7 +42,7 @@
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```SQL
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-
SELECT SP1.sup, SP2.sup
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+
SELECT SP1.sup, SP2.sup, COUNT(*)
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FROM SupParts SP1, SupParts SP2
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