<br/><img src="https://media.cheggcdn.com/media%2F880%2F880a2a51-4ac0-4952-adbd-98aa3fe8d885%2Fimage" alt="Individual Project III for C++ Programming (Operator Overloading) This project will accomplish a special string class FumString, the operator for the object of this class is defined as
<p><img alt="1.4. Consider the problem of evaluating the function sin(z), in particular, the propagated data error, i.e., the error in the function value due to a perturbation h in the
<p style="margin-left:165.1pt;">(<em>Batch update</em>) Write aprogram that inserts a thousand records to a database, and comparethe performance with and without batch updates, as shown in Figure35.5a. Suppose the table is defined