19 lines
299 B
MySQL
19 lines
299 B
MySQL
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SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
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BEGIN TRANSACTION
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UPDATE Wycieczki
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SET cena = cena*2
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WHERE
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kraj = 'Bangkok'
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-- STEP 1 RUN ABOVE
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SELECT
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*
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FROM
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Bilety
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WHERE
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kraj = 'Ateny'
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-- STEP 3 RUN BETWEEN 1 AND 3
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COMMIT TRANSACTION
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