How To Insert Values in MySQL (MySQL Practicals)

Inserting values into a MySQL database table is a fundamental task in database programming. In this tutorial, we'll go over the syntax to insert values into a MySQL table, as well as some examples and explanations.

Syntax

The syntax to insert values into a MySQL table is as follows:

INSERT INTO table_name (column1, column2, ..., columnN) VALUES (value1, value2, ..., valueN);

In this syntax:

• table_name is the name of the table where you want to insert the values.
• (column1, column2, ..., columnN) is a list of column names of the table separated by commas.
• (value1, value2, ..., valueN) is a list of values corresponding to the column names provided in the same order as the column names.

Example

Let's say we have a table called "students" with columns "id", "name", "age", "gender", and "grade". Here's an example on how to insert values into this table:

INSERT INTO students (name, age, gender, grade) VALUES ('John Smith', 20, 'Male', 'A-');

This SQL statement will insert a row into the "students" table with the values 'John Smith' for the "name" column, 20 for the "age" column, 'Male' for the "gender" column, and 'A-' for the "grade" column.

Output

When we run the example SQL statement above, we will not see any output in the console if the statement executed successfully. However, if there is an error with the statement, MySQL will return an error message.

Explanation

In the example above, we used the SQL INSERT INTO statement to insert a row into the "students" table. We provided the column names in parentheses after the table name and then the values for those columns in parentheses following the VALUES keyword.

Use

Inserting values into a MySQL database table is a common task when building database applications. Understanding how to use the INSERT INTO statement in MySQL is essential for any developer working with MySQL databases.

Important Points

• The column names and values in the INSERT INTO statement need to be separated by commas.
• The values provided must match the data types of the columns in the table.
• If you are inserting a NULL value into a column, you can use the keyword "NULL" in place of a value.
• If you do not specify the column names in the INSERT INTO statement, you need to provide a value for every column in the table in the order they appear.

Summary

In this tutorial, we went over the syntax to insert values into a MySQL table, as well as an example and explanation. Inserting values into a MySQL table is a fundamental task when working with databases, and understanding the INSERT INTO statement is critical for building database applications.