Joins in SQL in Hindi
Understand types of joins and their syntax with a demonstration through a free Joins in SQL in Hindi
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About this course
In this SQL Joins Course in Hindi, you will understand the Joins concept in the Structured Query Language. You will start this course by understanding what is Joins in SQL and why do we need them, then you will jump to different types of Join one by one to know how each one of them differs from one another. We will be taking some examples and the Oracle database to check the results too. After that, you will learn how to use joins with conditions, and at last, you will also learn how to join three tables in SQL.
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Frequently Asked Questions
What is Joins in SQL with an example?
A join clause in SQL is used to combine rows from two tables or more, and the rows are combined based on related columns between them. For example, INNER JOIN, RIGHT OUTER JOIN, LEFT OUTER JOIN, and FULL JOIN. In this course, you will learn details of different types of Joins in SQL in Hindi.
Why do we use SQL Joins?
The Joins clause in SQL is used to combine records from two tables or more in a database. JOIN statement combines fields from different tables using a value common to each. This reduces the time spent on retrieving the data and also makes it easier to club the data with similar field records. Joins also organizes data management in any organization, making it even more straightforward and systematic.
How many types of Joins are there in SQL?
Joins combine the field records from different tables. Different types of Joins in SQL include:
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INNER JOIN
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FULL JOIN
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LEFT OUTER JOIN
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RIGHT OUTER JOIN
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CROSS JOIN
Each of these joins fetches data depending on the values. You will learn about different joins in detail in SQL Joins in Hindi course.
What is Metadata in SQL?
Metadata in SQL provides essential and relevant insights into the data. Meta functions are involved in returning information about the database, database objects, database files, file groups, and other components in SQL Server. It can simply be defined as the data of the data in SQL. It aids in organizing, finding, and understanding the data since it describes the context of the data.
Which is the best online SQL Joins course in Hindi?
With the accessibility of the internet anywhere in the world, you can learn SQL Join courses in Hindi online. Enroll in Great Learning Academy to learn Joins in SQL for free online. To have a better understanding of the concept, we suggest you learn SQL Basics and Database Management System before diving into Joins.
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