In MongoDB, if documents in the collection had key names of fname, lname, age, email, and gender, in addition to the unique identifier, which values would be displayed in the output if the following command was entered: > db.collectionname.find({ "age" : { "$gt" : 18 }}, {fname: 1, lname:1, age:1})

In MongoDB, if documents in the collection had key names of fname, lname, age, email, and gender, in addition to the unique identifier, which values would be displayed in the output if the following command was entered: > db.collectionname.find({ "age" : { "$gt" : 18 }}, {fname: 1, lname:1, age:1})

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter5: Data Manipulation And Transaction Control

Section: Chapter Questions

Problem 1MC: Which of the following is a correct statement? a. A commit is issued implicitly when a user exits...

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Which of the following is a correct statement? a. A commit is issued implicitly when a user exits SQL Developer or SQLPlus. b. A commit is issued implicitly when a DDL command is executed. c. A commit is issued automatically when a DML command is executed. d. All of the above are correct. e. Both a and b are correct. f. Both a and c are correct.
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