MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Structured Query Language (SQL) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which operator is used to access property of an object in PHP? |
| A. | . |
| B. | * |
| C. | -> |
| D. | @ |
| Answer» D. @ | |
| 2. |
Arrays can have associative indices in PHP. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In PHP, how is the first element accessed if $a represents an array with numeric indices? |
| A. | $a[1] |
| B. | $a[0] |
| C. | $a.1 |
| D. | $a.0 |
| Answer» C. $a.1 | |
| 4. |
How many of these can replace ‘level’ in ‘–myisam-recover = level’? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3View Answer |
| Answer» E. | |
| 5. |
Which_operator_is_used_to_access_property_of_an_object_in_PHP?$ |
| A. | . |
| B. | * |
| C. | -> |
| D. | @ |
| Answer» D. @ | |
| 6. |
In PHP, how is the first element accessed if?#a represents an array with numeric indices? |
| A. | $a[1]. |
| B. | $a[0]. |
| C. | $a.1 |
| D. | $a.0 |
| Answer» C. $a.1 | |
| 7. |
The variable that returns code from operations that return true or false is _____________ |
| A. | $rc |
| B. | $rv |
| C. | $rows |
| D. | $ary |
| Answer» B. $rv | |
| 8. |
What is the variable that is a handle to a database object? |
| A. | $dbh |
| B. | $sth |
| C. | $fh |
| D. | $h |
| Answer» B. $sth | |
| 9. |
Which option suppresses output unless there are errors in the table? |
| A. | –silent |
| B. | –wild |
| C. | –suppress |
| D. | –noout |
| Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö¬®wild | |
| 10. |
Under which option are index changes not flushed until tables close? |
| A. | –delay-write-key |
| B. | –delay-key-write |
| C. | –write-key-delay |
| D. | –key-write-delay |
| Answer» C. ‚Äö√Ñ√∂‚àö√ë‚àö¬®write-key-delay | |
| 11. |
What attempts auto recovery based on the contents of its serial log? |
| A. | MyISAM |
| B. | InnoDB |
| C. | Falcon |
| D. | TRANSACTION |
| Answer» D. TRANSACTION | |