The SQL Workshop

11. Advanced SQL

Overview

By the end of this chapter, you will be able to implement STRING functions and manipulate string data. You will be able to use the COALESCE function to return the first non-zero values from a list and will learn how to identify and deal with duplicate values in a table.

Introduction

Now that we have covered the core topics of SQL database design and development, we can focus on more complex problems that reach past the material we looked at in earlier chapters. Building on what we've learned, we'll look at more SQL topics and tools and how to expand our existing skills to cover new situations. SQL database products offer huge feature spaces to developers—much bigger than what we have seen so far. Developers can ...