When you refer to an object in a SQL statement, Oracle considers the context of the SQL statement and locates the object in the appropriate namespace. After locating the object, Oracle performs the ...
In this hands-on, we will work on a library model. In this scenario, we will become the developers and maintainers of the database system of a public library. The library administrators want to ...
More like a.code + '%'. Just the right side, not both. Your original example was flawed in any event, as you'd have been looking for the literal word a.cidcode, not what was in the variable.