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Mastering SQL Queries: Unleashing the Power of Aliases

published 414 days, 17 hours, 33 minutes ago posted by DhruvDhruv 418 days, 20 hours, 48 minutes ago
Sunday, April 2, 2023 8:21:48 PM GMT Wednesday, March 29, 2023 5:06:21 PM GMT

The article titled "SQL Alias Syntax" from tutorialspoint.com explains the concept of aliases in SQL and how they are used to rename tables and columns. The article also covers the syntax and examples of how to use aliases in SQL queries.

The article begins by defining an alias as an alternate name given to a table or a column in a SQL query. The use of aliases in SQL queries is important because it makes the query more readable and understandable. By using aliases, the user can give a more meaningful name to a table or a column that is easier to understand and interpret.

The article then explains the syntax of creating aliases for tables and columns. To create an alias for a table, the user needs to use the AS keyword followed by the new name that they want to give to the table. For example, if the original table name is "customers", the user can create an alias called "c" by using the syntax:

"SELECT * FROM customers AS c".

Similarly, to create an alias for a column, the user needs to use the AS keyword followed by the new name that they want to give to the column. For example, if the original column name is "customer_name", the user can create an alias called "name" by using the syntax:

"SELECT customer_name AS name FROM customers".

The article then goes on to explain how aliases can be used in SQL queries to simplify the query and make it more readable. For example, instead of using a long and complex table name in a query, the user can use an alias to make the query shorter and more understandable.

The article also provides several examples of how to use aliases in SQL queries. One example shows how to use aliases to join two tables together. Another example shows how to use aliases to simplify a query by renaming columns.

In conclusion, the article titled "SQL Alias Syntax" from tutorialspoint.com provides a clear and concise explanation of the concept of aliases in SQL and how they can be used to simplify and improve the readability of SQL queries. The article covers the syntax and examples of how to use aliases for both tables and columns, making it a useful resource for anyone who is new to SQL or needs a refresher on this topic

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