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Collecte - Q2 - Exécuter la requête suivante : SELECT COLUMN_NAME CN, DATA_TYPE...

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Collecte - Q2 - Exécuter la requête suivante :

SELECT COLUMN_NAME CN, DATA_TYPE DT, NUM_DISTINCT

ND,LOW_VALUE LV, HIGH_VALUE HV, NUM_NULLS NN,

AVG_COL_LEN ACL, SAMPLE_SIZE SS

FROM USER_TAB_COLUMNS

WHERE TABLE_NAME= 'CRENEAU';

Recopiez ici le résultat de la requête ci-dessus ainsi que l’explication des différents attributs. Quelles informations fournissent ces attributs ?

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