To become a PL/SQL developer, you should learn the basics of databases, especially Oracle, as PL/SQL is based on it. Deepen your SQL knowledge to understand database queries and manipulation.

We need Dynamic SQL to build the object from text strings. Another problem to deal with is that the source for some database objects can exceed 32,767 characters, the maximum limit for VARCHAR2 ...

The goal of the project is to understand database entities in more depth and have practical experience of working with different objects of SQL. Phase I: Create a database for a banking application ...

SQL query builders add a layer of abstraction over the raw SQL without masking the underlying details and simplify application integration. They include template builders so developers can understand ...

I've been covering different aspects of NoSQL in my running series here, which is targeted at beginners who want an entry-level view into databases. Also known as "non-SQL" or "non-relational", this ...

While originating as a subset of NoSQL or "Not Only SQL," graph databases represent a sharp closing of SQL and NoSQL demarcations. Graph technologies are exploding in its market size as more companies ...

In this first half of “Understanding the Java Persistence API,” you saw how you can apply object-oriented concepts like inheritance and event callbacks using JPA.