C100DBA試験無料問題集「MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) 認定」

A. Object-oriented DBMS

B. None of the above

C. Relational DBMS

D. Document-oriented DBMS

A. {". Jd" : : 5, "a" : 3, "c" : : 0, "b" : 12}

B. {". Jd" : 6, "a" : 1, "c" : 1, "b" : 5}

C. {". Jd" : : 2, "a" : 2, "c" : : 0, "b" : 1}

D. { ''\ Jd" : 9, "a" : 17, "c" : 1, "b" : 1}

E. {''_ _id" : 3, "a" : 4, "c" : 0, "b" : 14}

F. {''_ Jd" : 7, "a" : 8, "c" : 1, "b" : 7}

G. {". Jd" : : 4, "a" : 5, "c" : : 0, "b" : 17}

H. {". Jd" : : 1, "a" : 0, "c" : : 0, "b" : 2}

I. {". Jd" : : 8, "a" : 11, "c" : 1, "b" : 0}

J. { \ Jd" : 10,"a" : 3, "c" : 1, "b" : 1}

A. Inserting data

B. Issuing a query

C. All of the above

D. Map-reduce

A. specify {all: true} as the third parameter of update command

B. updateAII instead of update

C. specify {multi : true} as the third parameter of update command

D. specify {updateAII: true} as the third parameter of update command

A. When the many is very large

B. When the many is not very large

C. Always

D. Never

A. True

B. False

A. {update: true, insert: true} as the third parameter of update command

B. This has to be handled in application code (Node.js, PHP, JAVA, C#, etc.) and cannot be handled in mongo shell query

C. Specify {upsert : true } as the third parameter of update command

D. upsert command instead of update command

A. ACID Transactions

B. Journaling

C. Relationships between Collections (Primary Key Foreign Key)

D. Transaction Management