Database triggers can be very useful, but like any tool, they have their advantages and disadvantages. Here are some of the pros and cons of using database triggers: Pros of Database Triggers Data Integrity Triggers can enforce business rules at… Read More »What are Pros & Cons of Database Triggers?
Introduction to Database Triggers In the world of databases, a trigger is a set of instructions that are automatically executed, or fired, in response to specific events. These events could be changes to data in a table, such as insertions,… Read More »Understanding Database Triggers
DevOps Engineer and Site Reliability Engineer (SRE) are two roles in the software development and operations field that share some similarities but also have distinct differences. Here’s a brief comparison: Role and Responsibilities Skill Set Goal
SQL, the language that reigns supreme in the world of relational databases, offers an array of features to manipulate and analyze data effectively. A notably powerful feature among them is the SQL window functions. Window functions enable computations across a… Read More »Comprehensive Guide to SQL Window Functions
Refactoring is a crucial aspect of writing and maintaining clean, efficient code. One of the techniques used in refactoring is the ‘Introduce Local Extension’ method. This article will delve into what this technique is, when it’s used, and provide practical… Read More »Introduce Local Extension
In software development, a “magic number” is a direct usage of a number in the code. These numbers can sometimes be confusing and can lead to difficulties when trying to understand the purpose of the number. In order to improve… Read More »Replace Magic Number with Symbolic Constant
“Replace Exception with Error Code” is a refactoring technique where a method that throws an exception is replaced with a method that returns an error code. This technique is typically used when the cost of exception handling is high, or when the exceptions are used for control flow, which is generally considered a bad practice.
In this post, we learn when to apply this refactoring and its pros and cons.
The Apache Commons Byte Code Engineering Library (BCEL) is a powerful tool for the analysis, creation, and manipulation of Java class files. It provides Java developers with an API that enables the inspection of class files, bytecode creation, and even… Read More »Apache Commons BCEL: Getting Started
Managing configurations in a Java application can be quite a challenging task, particularly when you’re dealing with a large codebase or complex system architecture. Fortunately, the Apache Commons Configuration library simplifies this process, providing a way to handle configurations from various sources in a unified manner.
This article will explore how to use the Apache Commons Configuration library to manage configurations in a Java application.
Copying Only Data You can create a copy of an existing table in SQL by using the CREATE TABLE AS statement. This statement creates a new table and fills it with data computed by a SELECT command. The data types… Read More »How do you create a copy of an existing table in SQL?