\begin{tabular}{l} Question 1 \ Which of the following about SQL is incorrect? \ SQL uses SELECT statement to tell the query which columns (or attributes) of a table should be \ included in the query. \ SQL is based on relational algebra and allows a user to query and update the database. \ SQL uses the PIVOT function to insert data. \ SQL is a language designed to query data in a relational database. \ \hline\end{tabular}

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1. The first statement is:  
   $$
   \text{SQL uses SELECT statement to tell the query which columns (or attributes) of a table should be included in the query.}
   $$  
   This is a true statement because the SELECT statement is indeed used in SQL to specify the columns to be retrieved.

2. The second statement is:  
   $$
   \text{SQL is based on relational algebra and allows a user to query and update the database.}
   $$  
   This is correct. SQL is derived from relational algebra and includes commands for querying (such as SELECT) and updating (such as UPDATE, INSERT, DELETE) the database.

3. The third statement is:  
   $$
   \text{SQL uses the PIVOT function to insert data.}
   $$  
   This is incorrect. The PIVOT function in SQL is used to transform rows into columns for reporting purposes, not for inserting data. Insertion of data in SQL is typically performed using the INSERT statement.

4. The fourth statement is:  
   $$
   \text{SQL is a language designed to query data in a relational database.}
   $$  
   This is a valid statement, as SQL is indeed a query language for relational databases.

Thus, the incorrect statement is the one regarding the use of the PIVOT function to insert data.
The incorrect statement is: "SQL uses the PIVOT function to insert data."

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