All you need to know about Cursor the real use and how it works on commit or Rollback scenarios. Really useful information for SQL professionals.
Python quiz for software application development. You can practice online. It has multiple choice questions and at the end you will get score.
Popular skills that you need to become a blockchain developer or engineer. There are skills that many companies are looking for blockchain developer.
Two most popular concepts on how blockchain technology became popular are saves time and second one is secure transactions. Not possible to tamper any transaction.
Sub queries you can give at four places in main query. Those are SELECT, WHERE, HAVING and in FROM clause. To understand these examples clearly you must listen few tips here.
Sub queries are like queries with in the query. You can write subquery such that it will return single value or multiple values. Read more example and explanation.