Useful tips for everyday
Do Docker logs rotate? If you are using the default json-file driver, configure max-file and max-size options to have Docker automatically rotate and remove old…
Does S3 have cross region replication? S3 Cross-Region Replication (CRR) is used to copy objects across Amazon S3 buckets in different AWS Regions. What does…
How do you reuse a Terraform module? The solution: Create Reusable Terraform Modules Terraform’s way of creating modules is very simple: create a directory that…
How do I whitelist an IP address in AWS? How to Whitelist an IP Address on AWS? Click the dropdown “Services” from the top-right menu.…
Which is a common mistake in database design? This might meet the guidelines of third normal form but still means that redundant data is being…
What type of database do search engines use? A search-engine database is a type of nonrelational database that is dedicated to the search of data…
How do I create a timestamp in MongoDB? INSERT INTO myTable VALUES (‘someValue’,SYSTIMESTAMP); That would insert two values into myTable, and one of them would…
What is ALTER TABLE in database? ALTER TABLE is used to add, delete/drop or modify columns in the existing table. It is also used to…
Why would incremental backup be used? An incremental backup approach is used when the amount of data that has to be protected is too voluminous…
How is backup and recovery maintained in a data warehouse? Data warehouse recovery is not any different from an OLTP system. However, a data warehouse…