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sammy [17]
3 years ago
15

Four actions that can be implemented on a database to autocorrect violations of referential integrity, and the outcomes of the a

ctions are listed below. Match the violation with the corrective action Instructions: Choose your responses from the drop-down menus below. Response options cannot be used more than once.
a. Sets invalid foreign keys to a default primary key value, specified in SQL
b. Propagates primary key changes to foreign keys
c. Rejects an insert, update, or delete
d. Sets invalid foreign keys to NULL
1. Restrict
2. Set Null
3. Set Default
4. Cascade
Computers and Technology
1 answer:
Paraphin [41]3 years ago
6 0

Answer:

Follows are the matching to this question:

Option \ a \to \ Option \ 3\\\\Option \ b \to \ Option \ 4\\\\Option \ c \to \ Option \ 1\\\\Option \ d \to \ Option \ 2\\

Explanation:

While time-consuming or prone to errors mechanical adjustments to both the referential, databases could be configured with four measures to engine violations. The restricted action causes the insert, update, and removes to only be denied. Set Null to NULL sets the invalid external key, whereas Set Default to a specific core consideration specified in SQL sets a default foreign key. Its Cascade operation spreads the main changes in external keys.

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