Soft-QA

4 Important Facts about main() in Java. 1. A main() method is an entry point for a java program. 2. main() would be called by the JVM using the class directly without creating an object. That’s why we declare the main method ‘public’ and static. 3. main() would never return any value, so we kept return type void. 4. main() would take parameters in the form of String Array. Which would be used to passing input values at runtime. Thanks for reading, please like and follow my page to serve you better.

SQL Introduction:What is SQL SQL stands for Structure Query Language. SQL is used to create database and manipulate database. Almost every industries have their own database which is used on daily basis to maintain record of the inventory, Employee record, salary record etc. So Database is very important for all industries whether it is small industries or big industries. Without database , it is very difficult to maintain record so database is required at all place. SQL is a structure query language that enables you to work with a database. Using SQL, you can insert records, update records, and delete records. You can also create new database objects such as databases and tables. And you can drop (delete) them SQL is of two type which is frequently used in an application to save record 1. DDL(Data Definition Language) 2. DML(Data Manipulation language) Data:   Data is a fact which is related to any object For example your name, age, height, weight, etc are some data...