Course Content

Course Content


SQL stands for Structured Query Language. It is a programming language that is used to work with data in database management systems.

Inside a computer, different types of data are represented in different ways, requiring different quantities of memory to store them. They can also be subjected to a number of various surgeries. All values belonging to the same data type will have the same representation.

A data type is a property that instructs a computer system how to interpret the value of a piece of data. Understanding data types ensures that data is collected in the desired format and that each property's value is as expected.

The format of data storage that may hold a specific type or range of values is referred to as database data types. When data is stored in variables in computer programmes, each variable must have its own data type. Integers, characters, strings, floating-point numbers, and arrays are some of the most popular data types.

The following are some of the benefits of using data in SQL:

  • You can make decisions based on data. You can decide what new products to launch, what marketing strategy to use, and how much money to spend on advertising.
  • It allows you to see patterns and trends in your business. This helps you identify problems before they become big problems or even worse - disasters
  • Data analysis allows you to make better decisions about your business and make more money for yourself and your company

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