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WGU D426 EXAM LATEST COMPLETE REAL EXAM ACTUAL QUESTIONS AND WELL ELABORATED ANSWERS 2024 (100% CORRECT VERIFIED ANSWERS) LATEST UPDATED VERSION |GUARANTEED PASS A+ (BRAND NEW!!) $16.99
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WGU D426 EXAM LATEST COMPLETE REAL EXAM ACTUAL QUESTIONS AND WELL ELABORATED ANSWERS 2024 (100% CORRECT VERIFIED ANSWERS) LATEST UPDATED VERSION |GUARANTEED PASS A+ (BRAND NEW!!)

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WGU D426 EXAM LATEST COMPLETE REAL EXAM ACTUAL QUESTIONS AND WELL ELABORATED ANSWERS 2024 (100% CORRECT VERIFIED ANSWERS) LATEST UPDATED VERSION |GUARANTEED PASS A+ (BRAND NEW!!)

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  • November 2, 2024
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  • 2024/2025
  • Exam (elaborations)
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WGU D426 EXAM LATEST COMPLETE REAL EXAM
ACTUAL QUESTIONS AND WELL ELABORATED
ANSWERS 2024 (100% CORRECT VERIFIED
ANSWERS) LATEST UPDATED VERSION
|GUARANTEED PASS A+ (BRAND NEW!!)



A ____ is a column, or group of columns, used to identify a row. - ANSWERPrimary key



A ____ consists of a single column. - ANSWERSimple primary key



A ____ key consists of multiple columns. - ANSWERComposite primary



All primary keys columns are necessary for uniqueness. When any column is removed,

the resulting simple or composite column is no longer unique. - ANSWERMinimal



The ____ constraint in the CREATE TABLE statement names the table's ____. The ____

constraint ensures that a column or group of columns is always unique and non-null. -

ANSWERPrimary key



An _____ is a numeric column that is assigned an automatically incrementing value when

a new row is inserted. - ANSWERAuto-increment column

, The ____ keyword defines an auto-increment column. It follows the column's data type in

a CREATE TABLE statement. - ANSWERAUTO_INCREMENT



A ____ is a column, or group of columns, that refer to a primary key. - ANSWERForeign

key



____ requires foreign key values must either be NULL or match some value of the

referenced primary key. - ANSWERReferential integrity



A ____ constraint is added to a CREATE TABLE statement with the ____ and

REFERENCES keywords. - ANSWERForeign key; references



A ____ foreign key is a simple or composite foreign key in which all columns are NULL. -

ANSWERFully NULL



____ is a relational rule that requires foreign key values to either be fully NULL or match

some primary key value. - ANSWERReferential integrity



____ rejects an insert, update, or delete that violates referential integrity. -

ANSWERRESTRICT



____ sets invalid foreign keys to NULL. - ANSWERSET NULL



____ sets invalid foreign keys to the foreign key default value. - ANSWERSET DEFAULT



____ propagates primary key changes to foreign keys. - ANSWERCASCADE

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