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Author Question: Identify the statement below that is false with regards to basic requirements of a relational database model. (Read 58 times)

saraeharris

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on: Apr 8, 2019
Identify the statement below that is false with regards to basic requirements of a relational database model.
◦ Primary keys can be null.
◦ Foreign keys, if not null, must have values that correspond to the value of a primary key in another table.
◦ All non-key attributes in a table should describe a characteristic about the object identified by the primary key.
◦ Every column in a row must be single-valued.
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Marked as best answer by saraeharris on Apr 8, 2019

ndhahbi

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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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saraeharris

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Reply #2 on: Apr 8, 2019
TY


ndhahbi

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


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