As competition is growing all over the world in education, now companies want experts who can work for them for a specific task. Now, they just don’t want the degree but they want the skills too. In such a competition, people are trying to get skilled in one single field. One such skill is PostgreSQL. PostgreSQL is one of the best databases in the world nowadays. When it comes to open-source databases, it has occupied the second position in the world. If you are skilled in PostgreSQL and are going for the interview, then there are some of the questions you must prepare for this interview.
So here I am listing some of the questions for you: –
Q. How is a large table broken into smaller parts in PostgreSQL?
Ans. It’s called a table partition. What is a partitioned table in PostgreSQL? Ans. The partitioned table is a logical structure. It is used to share a large table. into smaller pieces called partitions.Q. What is pgadmin for in PostgreSQL?
Ans. The pgadmin in PostgreSQL is a data management tool. It is used to restore, develop, test, and manage databases.Q. How can you avoid unnecessarily locking a database?
Ans. We can use MVCC (Multi-Version Concurrency Control) to avoid unnecessary locking of a database.Q. What is Python/PL?
Ans. PL/Python is a procedural language supported by PostgreSQL.Q. How do you drop the database in PostgreSQL?
Ans. We can drop the database using one of the following options:- Using DROP DATABASE, an SQL command
- Using dropdb, an executable line command