SQL SELECT Statement is explained with definition, syntax, query, & example. It is also given with different conditions like WHERE, IN, LIMIT, ORDER BY, GROUP BY, HAVING. Once, you read complete this tutorial, you definitely select data from specified/all columns of a table. SQL SELECT Statement Definition –  SQL SELECT statement retrieves existing data from specified columns of a table. SELECT Syntax You can select data from a table with the help of the following syntax Syntax – SELECT column1_name, column2_name, column3_name,… FROM table_name; Important Points – You can write a SELECT statement in Uppercase or lowercase. Column Names must … Continue reading

In his tutorial, you will know the complete overview of SQL Union with an Example. This tutorial will be also very helpful to get more information related to it such as union command, syntax, usage & steps to use union so on. For a better understanding, We have taken two sets like set_1 & set_2 are shown in the figure below. set_1 has four values like 1, 2, 3, and set_2 has six values like 3, 4, 5, 6, 7, 8. Both sets have two duplicate/ common values 3, 4. When we combine both sets, we will get a final result_set … Continue reading

SQL INNER JOIN is frequently used to join two or more tables. It is mainly used with the SELECT statement to select data from multiple tables. So, you should have knowledge of the SELECT statement. if you don’t have then you will not worry about it. Here I will give you basic information about it so that you can easily use it to select data by joining multiple tables. In this tutorial, you will learn everything like inner joins multiple tables with a definition, example, query & execution using the command line.  I have explained all the related information in … Continue reading