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12 lines
185 B
12 lines
185 B
2 years ago
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-- Query 18
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SELECT
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ROUND(AVG(consommation.prixcons), 2) AS "prix moyen"
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FROM consommation
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WHERE REGEXP_INSTR(consommation.libcons, "^Café");
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/* == RESULT ==
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"prix moyen"
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1.53
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*/
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