A group of related data elements stored at adjacent memory locations is referred to as an array. One of the…
What is Time Complexity? Time complexity is a key concept in computer science, particularly in data structures and algorithms(DSA). It…
What is an SQL Sequence? Database systems offer sequence to produce unique numeric values in a series according to defined…
SQL set operations combine the output of two or more SELECT statements into a single result set. The set operators…
What is an Alias? An SQL alias is simply an alternative name that can be used to refer to a…
In the previous section we saw Aggregate Functions, in this section let us discuss Scalar Functions. Scalar Function: A scalar…
What are SQL Functions? SQL functions are predefined routines that can be invoked by SQL queries to perform specific operations…
What are the SQL Constraints? SQL constraints are rules that limit the types of data that can be inserted or…