MCQOPTIONS
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This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mysql knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the following query how many rows will be deleted?DELETE StudentWHERE stu_id < 10;/*person_id is a primary key */ |
| A. | No row |
| B. | 0-9 |
| C. | 1-7 |
| D. | All of above |
| E. | None of these |
| Answer» C. 1-7 | |
| 2. |
In the following query how many rows will be deleted?DELETE EmployeeWHERE Emp_id=101;/*person_id is a primary key */ |
| A. | 0 |
| B. | No row |
| C. | 1 |
| D. | All of above |
| E. | None of these |
| Answer» D. All of above | |
| 3. |
What is abc in the following statement?DELETE FROM Student WHERE Student_id= 0050; |
| A. | server name |
| B. | column name |
| C. | database name |
| D. | table name |
| E. | None of these |
| Answer» E. None of these | |
| 4. |
What is xyz in the following statement?DELETE FROM Employee WHERE Emp_id= 0012; |
| A. | database name |
| B. | row name |
| C. | table name |
| D. | column name |
| E. | None of these |
| Answer» D. column name | |
| 5. |
What is xyz in the following statement? |
| A. | database name |
| B. | row name |
| C. | table name |
| D. | column name |
| E. | None of these |
| Answer» D. column name | |
| 6. |
In the following query how many rows will be deleted? |
| A. | 0 |
| B. | No row |
| C. | 1 |
| D. | All of above |
| E. | None of these |
| Answer» D. All of above | |
| 7. |
What is abc in the following statement? |
| A. | server name |
| B. | column name |
| C. | database name |
| D. | table name |
| E. | None of these |
| Answer» E. None of these | |