Srini

DB2 Index Vs. Hash Scan: Top Differences

Data access is much faster in Hashing compared to the index. Read the differences between Hashing and Index.

How to Alter Table: Top SQL Queries

Explore various SQL Alter Table queries to modify and update database table structures. Learn how to add, modify, and drop columns, change data types, and manage constraint

How to Sort Table Rows – Here’s Sample SQL Query

Ordering the SQL result is possible by giving DESC or ASC in your query. These must be used along with ORDER BY clause. Read more.

SQL: Having Vs WHERE Top Interview Question

Having Vs Where clause in SQL real usage is to filter rows on aggregate totals. Read more.

Jenkins Vs Dockers: 5 Top Differences

Docker works on Container concept. The Jenkins works on Pipe Line concept. Both the tools have some differences. The list of differences useful for interviews as well as for projects.

10 Quiz Questions on DevOps

DevOps quick quiz questions help to understand concepts at lightning speed. Read more.

DB2 SQL: Error Code +100 and Resolution

SQL Queries you can run and test in your project to update or modify existing rows in a Table.

5 Top DevOps Engineer’s Roles and Responsibilities

DevOps is an integration process between development and operations team. Explained the real roles of DevOps developers in a way a novice can understand quickly.

RPG Programming Language – How to Learn Easily

RPG being used extensively in AS/400 environment. The language is different from other languages such as JAVA or COBOL. You can learn unique features here.

COBOL: How to Use Multi-dimensional Arrays

COBOL multi dimensional arrays how to use in your program

Linux: The Hierarchy of System Directories

Linux file system is little tricky and you can learn quickly by learning these tips.

DB2 SQL Query Performance Tuning (2 of 3)

Performance areas in DB2 must to improve.