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Author Question: Referential integrity constraints should disallow adding a new row to a child table when the foreign ... (Read 117 times)

JGIBBSON

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on: Jul 7, 2018
Referential integrity constraints should disallow adding a new row to a child table when the foreign key does not match a primary key value in the parent table.
 
  Indicate whether the statement is true or false

Question 2

A key consisting of one or more columns that is a primary key in another relation is a ________.
 
  A) composite key
  B) candidate key
  C) foreign key
  D) surrogate key
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daiying98

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Reply #1 on: Jul 7, 2018
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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JGIBBSON

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Reply 2 on: Jul 7, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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