How do I SELECT different columns in different tables in MySQL?

How do I select multiple columns from different tables in SQL?

Example syntax to select 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.

How do I select different columns in MySQL?

To select multiple columns from a table, simply separate the column names with commas! For example, this query selects two columns, name and birthdate , from the people table: SELECT name, birthdate FROM people; Sometimes, you may want to select all columns from a table.

Can I select from multiple tables?

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 I select multiple rows from different 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.

How to query SELECT from multiple tables in MySQL?

Use GROUP BY food to SELECT From Multiple Tables. Use JOIN to SELECT From Multiple Tables in MySQL. Use GROUP_CONCAT () and Manipulate the Results in MySQL. This tutorial shows you how to query SELECT from multiple tables in a single script with the use of MySQL. Let’s demonstrate one scenario:

How can I select the contents of two columns from different tables?

How can I select the contents of two columns that reside in different tables in a mysql database? Show activity on this post. You would need to use either a JOIN or UNION/UNION ALL. This will depend on wht you require. Lets say you want all values from table 1 col a and table 2 col b in seperate rows

How do I compare two tables in SQL Server?

select a.roll_number, a.firstname, b.id from studentData1 as a left join studentData2 as b on a.roll_number = b.id; Join based on left table i.e. sutdentData1 as follows. UNION allows us to compare two same types of tables or datasets. We can use union to compare the columns once we can have the union of both the tables.

How to compare columns of two tables using where clause?

Using the where clause to compare columns of two different tables. It cannot handle the null values. select * from table1, table where table1.col1 = table2.col2 and table1.col1 > someValue;