75 lines
1.1 KiB
MySQL
75 lines
1.1 KiB
MySQL
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select distinct sid from v$mystat ; //1281
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UPDATE Donnees_HuRa
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SET valeur = valeur + 1
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WHERE nom = 'A';
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//2/
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//1)
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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UPDATE Donnees_HuRa
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SET valeur = valeur +1
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WHERE nom = 'A';
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COMMIT;
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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//2)
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UPDATE Donnees_HuRa
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SET valeur = valeur +1
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WHERE nom = 'B';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'B';
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UPDATE Donnees_HuRa
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SET valeur = valeur +1
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WHERE nom = 'A';
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//3)
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UPDATE Donnees_HuRa
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SET valeur = valeur +1
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WHERE nom = 'C';
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UPDATE Donnees_HuRa
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SET valeur = valeur +1
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WHERE nom = 'A';
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COMMIT;
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'C';
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//3/
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//1)
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UPDATE Donnees_HuRa
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SET valeur = valeur+1
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WHERE nom = 'A';
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COMMIT;
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UPDATE Donnees_HuRa
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SET valeur = valeur+1
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WHERE nom = 'A';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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COMMIT;
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//2)
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UPDATE Donnees_HuRa
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SET valeur = valeur+1
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WHERE nom = 'A';
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SELECT nom, valeur FROM Donnees_HuRa WHERE nom = 'A';
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COMMIT;
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