Whats is Structured data and Unstructured data ? Structured Data: Structured data is thought as of traditional data, mainly consisting of files that include well structured information. Structured data is stored at a place where it could be pulled at any time for analysis purpose. As the name suggests Structured data are easy to maintain …
What are SQL Aggregation functions ? SQL Min and Max functions are also known as SQL aggregation functions. SQL is very good at aggregating data. One should know the aggregation functions in SQL. There are mainly 5 Types of Aggregation Functions in SQL: COUNT: counts the number of rows in a column. SUM :adds all the values …
What is an operator? We will discuss about the BETWEEN operator , and use of it. But , before learning SQL BETWEEN Operator , we ought to know about the basic of operators.An operator, in computer programming, is a symbol that usually represents an action or process. Expression is incomplete without an operator.operator works as a …
A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the use and importance of SQL SELECT DISTINCT. Technology like Database and SQL has grown exponentially in recent years. MySQL uses the standardized Structured Query Language …
What is an operator? We will discuss about the SQL EXISTS operators , and use of it. But , before learning SQL operators , we ought to know about the basic of operators.An operator, in computer programming, is a symbol that usually represents an action or process. Expression is incomplete without an operator.operator works as a …