Here’s a simple command that you can use to change shells. It’s useful to work with multiple shells at a time.
Here is a resolution for SQL error -206. You will get an error of object is not valid. Here are possible reasons for this error. Also given solution for how to fix it.
How to use file descriptors in Unix is explained in this post. Unix supports three types. Here is an example that shows how it works.
Here is a tricky shell script question. What happens if you give duplicate function names in the script.
Here are 13 tricky AWS Simple workflow service interview questions. These are useful for AWS interviews.
Here are two top formulas you can use to decide how to buy a house. Also, it helps to sell land. These are useful for everyone.
Here’s the best way to use ‘and’ condition. Also, this example shows the best way to use the ‘or’ condition in COBOL.
Here’s a difference between VSAM HURBA and HARBA and its calculation. It’s useful for interviews.
Amazon RDS provides Database services. DB instance is the basic building block. Here you will know the top five features of it.
Kafka Streaming API uses streams data and do processes them and sends them to output servers. Here’s how to understand streaming API.
Here is an idea how to view segment data using file-aid for IMS DB
Here are details about REST and Web services with their features. The skill to develop APIs is hot in the market.