Why Should You Learn SQL?
Learning SQL gives you the skills you need to retrieve information from any relational database. It also helps you understand the mechanisms behind the graphical query interfaces found in many RDBMS products. Understanding SQL helps you craft complex queries and provides the knowledge required to troubleshoot queries when problems occur.
Because SQL is found in a wide variety of RDBMS products, you can use your skills across a variety of platforms. For example, after you learn SQL in a product such as Microsoft Access, you can leverage your existing knowledge if your company decides to move to Microsoft SQL Server, Oracle Corporation’s Oracle, or IBM’s DB/2. You won’t have to relearn SQL—you’ll just have to learn the ...
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