Q
What is the primary purpose of the PDO::exec() method in PHP PDO extension?

Answer & Solution

Answer: Option B
Solution:
The PDO::exec() method in PHP PDO extension is primarily used for executing an SQL query that does not return a result set, such as INSERT, UPDATE, DELETE, or CREATE statements.
Related Questions on Average

Which of the following PHP functions is used to execute an SQL query in PDO extension?

A). pdo_execute()

B). pdo_query()

C). pdo_fetch()

D). pdo_prepare()

Which of the following PHP functions is used to execute an SQL query in MySQLi extension?

A). mysqli_execute()

B). mysqli_query()

C). mysqli_fetch()

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A). Establishing a database connection

B). Executing SQL queries

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D). Closing the database connection

Which of the following PHP functions is used to get the number of rows affected by an SQL query in MySQLi extension?

A). mysqli_num_rows()

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C). mysqli_num_fields()

D). mysqli_fetch_row()

Which of the following SQL operations is used to remove all data from a database table?

A). INSERT

B). SELECT

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Which of the following statements is true regarding SQL DELETE operation?

A). It removes all data from a table

B). It updates existing records in a table

C). It adds new records to a table

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A). Establishing a database connection

B). Executing SQL queries

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Which of the following SQL operations is used to update existing data in a database table?

A). INSERT

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What is the primary function of the mysqli_query() function in PHP?

A). Establishing a database connection

B). Executing SQL queries

C). Fetching data from the database

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Which of the following SQL operations is used to insert new data into a database table?

A). INSERT

B). SELECT

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