In The Spotlight
The last few articles served as a recap of the Data Definition language. This and the next ones will do the same for the Data Manipulation Language (DML). Keep reading to learn or refresh your knowledge in this area.
By Rafael Victória-Pereira
In this new subseries on DDL, all the most important DDL instructions (CREATE, ALTER, and DROP) and objects (TABLE, VIEW, and INDEX) will be discussed. However, the discussion won’t focus on their syntax but will instead cover how to convert physical files to SQL tables and how to create self-managing unique keys.