Anonymous Asked in Cars &Transportation · 2 weeks ago

How can I get data from multiple tables in SQL?

In SQL, to fetch data from multiple tables, the join operator is used. The join operator adds or removes rows in the virtual table that is used by SQL server to process data before the other steps of the query consume the data. 28 дек. 2019 г.


How can I retrieve data from 3 tables in SQL?

To do so, we need to use join query to get data from multiple tables.1SELECT p. p_id, p. cus_id, p. p_name, c1. name1, c2. name2.2FROM product AS p.3LEFT JOIN customer1 AS c1.4ON p. cus_id=c1. cus_id.5LEFT JOIN customer2 AS c2.6ON p. cus_id = c2. cus_id.

Can we fetch data from multiple tables using one query?

From multiple tables To retrieve information from more than one table, you need to join those tables together. This can be done using JOIN methods, or you can use a second SELECT statement inside your main SELECT query—a subquery.

How do you retrieve data from multiple tables in SQL without join?

Yes, Tables Can Be Joined Without the JOIN Keyword You can replace it with a comma in the FROM clause then state your joining condition in the WHERE clause. The other method is to write two SELECT statements.

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