- A=+
- B=
- C!=
- D==
Module 14: Database Manipulation - Quiz
- AinsertRecord();
- BinsertAll();
- Cinsert();
- Dinsertnow():
- Aread
- Bforupdate
- Clock
- DfirstOnly
- ASelect custTable index cityIdx;
- BSelect custTable order by city;
- CSelect custTable order by city ASC;
- DAll
- AUpdate()
- BdoUpdate()
- Cupdate_recordSet
- Dinsert_recordSet
- AJoin
- BOuter join
- CExists join
- DNotExists join
Results:
🟢 Correct Answers: 🔴 Wrong Answers:
🟢 Correct Answers: 🔴 Wrong Answers:
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Module 14: Database Manipulation - Quiz
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Time Taken: Questions: Answered: Not Answered:
Correct Answer:
Wrong Answer:
Percentage: %
- A. =+
- B. =
- C. !=
- D. ==
Remarks:
Explanation:
Justification:
- The “=+” operator is not valid in X++.
- The “=” is not used in a where statement to indicate equivalency. It is used when assigning values to variables, for example.
- The “!=” operator returns records that are NOT equivalent.
- The “==” is a relational operator used in the where statement to determine equivalency.
Related Lesson: Reading Records
- A. info::box
- B. info
- C. warning
- D. pause
Remarks:
Explanation:
Justification:
- “Info::box” is not a valid output statement.
- The info keyword is used to output the value(s) to the screen in an informational display format
- The warning keyword will create a warning output message.
- The pause keyword is not supported in Dynamics AX.
Related Lesson: Reading Records
- A. insertRecord();
- B. insertAll();
- C. insert();
- D. insertnow():
Remarks:
Explanation:
Justification:
- insertRecord is not a valid method call.
- InsertAll is not a valid method call.
- The insert method is the correct method to call to insert a record or records into the table that the method is being called on.
- InsertNow is not a valid method call.
Related Lesson: Data Insert
- A. read
- B. forupdate
- C. lock
- D. firstOnly
Remarks:
Explanation:
Justification:
- Read is not a valid keyword to be used in a select statement or to update records.
- The forUpdate keyword is used in a select statement to indicate the table is being selected for the purpose of updating or changing data.
- Lock is not a valid keyword to be used in a select statement or to update records.
- The firstOnly keyword is used to retrieve only the first record from the table.
Related Lesson: Data Updates
- A. ==
- B. =
- C. +=
- D. !=
Remarks:
Explanation:
Justification:
- The “==” is used as a relational operator. This returns “true” when the two expressions are equal, it does not assign any values.
- The “=” is the correct operator to use to assign the value of the dbModel field to the value “Big Truck” in this example.
- The “+=” is an assignment operator that increments the value of the variable on the left by the value of the expression on the right. It does not assign values.
- The “!=” operator is a relational operator returns “true” if two expressions are NOT equal. It does assign values.
Related Lesson: Data Updates
- A. drop
- B. kill
- C. deletefrom
- D. delete
Remarks:
Explanation:
Justification:
- Drop is not a valid method call on the given table and does not delete records.
- Kill is not a valid method call on the given table and does not delete records.
- Deletefrom is not a valid method call on the given table and will not delete records.
- The delete method on the table is called when records are to be deleted.
Related Lesson: Data Deletion
- A. Select custTable index cityIdx;
- B. Select custTable order by city;
- C. Select custTable order by city ASC;
- D. All
Remarks:
Explanation:
Justification:
- This statement will select all records from the CustTable organized by the index titled cityIdx, which is configured on the custTable.
- This statement selects all records from the custTable and specifies the “city” field in the table to order by. The default direction order by is ascending order.
- This statement selects all records in the CustTable and specifies to order by the city field in ascending order. This is the same as the default order. The order by clause will default to ascending order if none is specified as well.
- This statement will not work because the index name is not city, but cityIdx.
Related Lesson: Data Retrieval
- A. True
- B. False
Remarks:
Explanation:
Justification:
- True: This statement is true. The insert command is used on a table buffer.
Related Lesson: Data Insert
- A. Update()
- B. doUpdate()
- C. update_recordSet
- D. insert_recordSet
Remarks:
Explanation:
- A. Incorrect: The update method does not update multiple records without making multiple calls to the database.
- B. Incorrect: The doUpdate method does not update multiple records without making multiple calls to the database.
- C. Correct: The update_recordSet method updates multiple records with one call to the database and is the best method to use.
- D. Incorrect: The insert_recordSet method will create new records, not update existing records.
- A. Join
- B. Outer join
- C. Exists join
- D. NotExists join
Remarks:
Explanation:
- A. Incorrect: A join would return customer data and sales order data where the customer was associated with a sales order.
- B. Incorrect: An outer join would return customer data and sales order data regardless of an association between them.
- C. Incorrect: An exists join would return customer data for customers who are associated with a sales order.
- D. Correct: A notExists join would return customer data for customers who are not associated with a sales order.