Unlock the full potential of Business Intelligence (BI) with our in-depth tutorials! We provide comprehensive guides on leveraging BI tools and strategies to turn raw data into actionable insights. Learn how to create powerful dashboards and data visualizations. Our tutorials cover everything from integrating data sources to advanced data analytics and reporting techniques.
Introduction In this tutorial, we want to select data from a table and sort the result set. In order to do this, we use the SELECT Statement with the ORDER BY Clause. We have already created the table student with the following data: Example 1 - Sort rows in ascending...
Introduction In this tutorial, we want to select a specific number of rows from a table by using a SQL Statement. In order to do this, we use the SELECT Statement with the LIMIT Clause. We have already created the table student with the following data: SQL Statement We want...
Introduction In this tutorial, we want to select data from a table by using a SQL Statement. The result should not contain duplicate rows. In order to do this, we use the SELECT Statement with the DISTINCT Clause. We have already created the table student with the following data: Example...
Introduction In this tutorial, we want to select data from a table by using a SQL Statement. In order to do this, we use the SELECT Statement. We have already created the table student with the following data: Example 1 - SELECT specific columns We want to select the columns...
Introduction In this tutorial, we want to delete specific rows from a table by using a SQL Statement. In order to do this, we use the DELETE Statement. We have already created the table student with the following data: Example 1 We want to delete all rows where the name...
Introduction In this tutorial, we want to update the data in a table by using a SQL Statement. In order to do this, we use the UPDATE Statement. We have already created the table student with the following data: Example 1 We want to update the student with the name...
Introduction In this tutorial, we want to delete all rows from a table by using a SQL Statement. The table itself should remain. In order to do this, we use the TRUNCATE Statement. We have already created the table student with the following data: SQL Statement Now, let's...
Introduction In this tutorial, we want to insert new rows into a table by using a SQL Statement. In order to do this, we use the INSERT Statement. We have already created the table student. As you can see, the table is empty. SQL Statement Now, let's insert...
Introduction In this tutorial, we want to modify an existing table by using a SQL Statement. In order to do this, we use the ALTER TABLE Statement. We have already created a table called student. The table has the following columns: Example 1 - ADD COLUMN We want to add...