15. Write a SQL statement to create a table employees including columns employee_id, first_name, last_name, email, phone_number hire_date, job_id, salary, commission, manager_id and department_id and ...

Learn how to use the SQL CASE statement to perform conditional logic in SQL. This article covers the simple CASE and the searched CASE statements, null values, custom logic, and best practices.

In SQL we support non-standard clause called ON CONFLICT / OR. It is not a separate clause which can appear in INSERT/UPDATE statements or as a column option in CREATE TABLE statements. See examples ...

It is also useful if you are running SQL statements from an SQL application in another SQL-based database. The second form uses a LIKE clause to create a table that has the same column names and ...

A clause is a statement that modifies results. Clauses are not required statements, but refine what and how data is displayed. The WHERE clause in a query is one example.

The DESCRIBE TABLE statement writes a CREATE TABLE statement to the SAS log for the table specified in the DESCRIBE TABLE statement, regardless of how the table was originally created (for example, ...