What is Normalization in SQL, and Why is it Important ? Database Management System DBMS #shorts

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What is Normalization in SQL, and Why is it Important ? Database Management System DBMS #shorts
What is Normalization in SQL, and Why is it Important ? Database Management System DBMS #shorts
What’s the process of organising data in a database in SQL? Want to have a quick understanding of normalisation in SQL? Check out this 60-second byte.

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What is normalisation in SQL?
Normalisation in SQL refers to the process of organising data in a database to eliminate redundancy and improve data integrity. It involves dividing data into multiple tables, defining relationships between them, and reducing data duplication to ensure efficient storage and retrieval.

What is SQL?
SQL stands for Structured Query Language, and it is a standard language used to manage and manipulate relational databases. SQL allows users to create, modify, and query databases, as well as to extract and manipulate data within them.
SQL is used to perform a wide range of tasks, such as creating and modifying database schema, inserting, updating and deleting data, and querying the database to retrieve information.

What are SQL Subqueries?
Subqueries in SQL are queries that are nested within another query. They allow for more complex queries by enabling a query to reference the results of another query as a temporary table. This can be useful for filtering, sorting, and aggregating data in more complex ways than a single query can achieve.

What is Advanced SQL?
Advanced SQL refers to the use of more complex SQL features and techniques to perform advanced data manipulation and analysis. This can include subqueries, joins, aggregations, and window functions. Advanced SQL can be used to perform complex data transformations and generate insights from large and complex datasets.

About SQL interviews-
These are job interviews where the candidate is evaluated on their knowledge of SQL, including their ability to write and optimise SQL queries, create and manipulate databases, and understand database design principles. These interviews are common in data-related roles such as data analyst, data engineer, and database administrator.

What are programming languages?
Programming languages are formal languages used to instruct computers to perform specific tasks. They are a set of rules, symbols, and instructions used to write computer programs. Popular programming languages include Java, Python, C, JavaScript, and Ruby, each with its own syntax, features, and applications.

What are programming skills?
Programming skills refer to the ability to write code and develop software using a programming language. These skills involve understanding how to design, write, test, debug, and maintain software programs and applications. Programming skills are essential for careers in software development and are in high demand in many industries.

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