SQL - Select Or
The SELECT ... WHERE clause with the OR operator is used to retrieve rows that satisfy at least one of the specified conditions. It allows you to combine multiple conditions in a single query and retrieve rows that match any of those conditions.
SELECT column1, column2, ... FROM table_name WHERE condition1 OR condition2 ...;
Let's assume we have a "Tutorials" table with the following columns:
TutorialID (unique identifier for each tutorial)
Title (title of the tutorial)
IsFull (1 if the tutorial is complete, 0 if it's not complete)
Views (number of views for the tutorial)
To select the full details of tutorials that are either complete (IsFull = 1) or have more than 1000 views, we can use the following query:
SELECT TutorialID, Title, Details FROM Tutorials WHERE IsFull = 1 OR Views > 1000;
The SELECT statement specifies the columns you want to retrieve from the table. In this case, we're selecting TutorialID, Title, and Details.
The FROM clause indicates the table from which we want to retrieve data. In this case, it's the "Tutorials" table.
The WHERE clause is used to specify conditions to filter the rows. Here, we're using the OR operator to combine multiple conditions.
In the first condition, IsFull = 1, we check if the IsFull column is equal to 1, indicating a complete tutorial.
In the second condition, Views > 1000, we check if the Views column has a value greater than 1000.
By executing this query, you will retrieve the TutorialID, Title, and Details of tutorials that are either complete (IsFull = 1) or have more than 1000 views (Views > 1000). Adjust the table name and column names as per your specific database schema, and modify the conditions within the WHERE clause to match your desired conditions.