Inserting VARCHAR values into SQL table

When working with SQL tables, it is common to store textual data using the VARCHAR data type. VARCHAR allows you to store variable-length strings of characters. In this blog post, we will explore how to insert VARCHAR values into an SQL table.

Step 1: Create the SQL table

Before we can insert any values, we need to create a table that can hold the VARCHAR data. Here’s an example of creating a simple table with a single column of type VARCHAR(255):

CREATE TABLE users (
    name VARCHAR(255)
);

In this example, we have created a table named “users” with one column named “name” of type VARCHAR(255). The (255) specifies the maximum length of the VARCHAR value that can be stored in this column.

Step 2: Inserting values into the table

Once the table is created, we can insert VARCHAR values into it using the INSERT INTO statement. Here’s an example:

INSERT INTO users (name)
VALUES ('John Doe');

In this example, we are inserting the value ‘John Doe’ into the “name” column of the “users” table. We specify the column name in the parentheses after INSERT INTO, and the actual value we want to insert in the VALUES clause.

You can insert multiple values at once by separating them with commas, like this:

INSERT INTO users (name)
VALUES ('John Doe'), ('Jane Smith'), ('Mark Johnson');

Step 3: Retrieving the inserted values

To verify that the values were successfully inserted, you can query the table using the SELECT statement. Here’s an example:

SELECT name
FROM users;

This query will retrieve all the values stored in the “name” column of the “users” table.

Conclusion

Inserting VARCHAR values into an SQL table is a straightforward process. By following the steps outlined in this blog post, you can store textual data in your SQL tables using the VARCHAR data type. Remember to specify the proper maximum length for your VARCHAR columns to ensure data integrity.

#SQL #VARCHAR