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Author Question: Suppose a relational database contained two linked tables. Which of the following items is not ... (Read 126 times)

joe

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on: Apr 8, 2019
Suppose a relational database contained two linked tables. Which of the following items is not necessarily present in the database?
◦ Two primary keys
◦ Two foreign keys
◦ At least one column
◦ One foreign key
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Marked as best answer by joe on Apr 8, 2019

flexer1n1

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Reply #1 on: Apr 8, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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joe

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Reply #2 on: Apr 8, 2019
TY


flexer1n1

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Reply #3 on: Apr 8, 2019
You're welcome


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