17 lines
270 B
MySQL
17 lines
270 B
MySQL
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SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
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BEGIN TRANSACTION
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SELECT
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SUM(Cena)
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FROM
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Wycieczki
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-- STEP 1 RUN ABOVE
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INSERT INTO
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Bilety
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VALUES
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(2, 'Honolulu', 1, 2000);
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-- STEP 3 RUN BETWEEN 1 AND 3
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COMMIT TRANSACTION
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