The subqueries in SQL are the queries that are inside another query. This query can be set inside any clause like WHERE, HAVING, FROM, etc. These subqueries are likewise known as nested queries. The major aim of subqueries is to retrieve data from the table. It is also used as a condition to fetch the …
In relational databases, we deal with various data values with different data types. The date and time values can also be a part of the database. Sometimes, we need to deal with these values as well. In this article, we are going to study the calculation performed on date and time related values. Let me …
Performing Calculations On Date-Time Related Values Read More »
Duplicate values in a table are a main hurdle in data management. The aim of database management also includes the responsibility of maintaining data quality and consistency. Duplicate data entries may be found in the table which decreases the overall quality of the database. Finding those values from the table is a very important task. …
MySQL Find Duplicate Values in Table: A Detailed Guide Read More »