Sql case tool article

The statement returns the maximum hourly rate for each job title in the HumanResources. Employee table. The HAVING clause restricts the titles to those that are held by men with a maximum pay rate greater than 40 dollars or women with a maximum pay rate greater than 42 dollars.

When a value does not exist, the text "Not for sale' is displayed. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? In the following query, you can see that we have Group By clause and it contains i with the condition to get the required output.

We have following output of this query. In this output, we get minimum and maximum salary for a particular designation. Suppose we want to update Statecode of employees based on Case statement conditions. In the following output, you can see old Statcode left-hand side and updated Statecode for the employees based on our conditions in the Case statement.

Suppose we have an application that inserts data into Employees table. We get the following values for gender. We do not want to insert value 0 and 1 for Male and Female employees. We need to insert the required values M and F for employee gender. In the following query, we specified variables to store column values. In the insert statement, you can we are using a Case statement to define corresponding value to insert in the employee table. In the Case statement, it checks for the required values and inserts values from THEN expression in the table.

In the following screenshot, we can see the newly inserted row contains Gender M instead of value 0. It also adds versatility to SQL Server queries. You should practice the Case statement in your queries. When expression1 Then Result1. When expression2 Then Result2.

ELSE Result. ELSE other. Select EmployeeName ,. Else 'Director'. Select EmployeeName , Gender , Salary. In this article, we will learn how we can detect which operations cause to fill up SQL Server tempdb through the dynamic management views.

Microsoft SQL Server is a database system that is used to store various types of data which is logically arranged in form of tables, columns, and rows. As businesses need changes or new requirements come, we need to modify this data stored in the table. We can use this statement to modify a single unit of data field as well as multiple sets of data fields based on our requirements.

You can use a declarative syntax to specify the resources, their configurations. Usually, if you need to deploy Azure resources, it might be a tiring experience of navigating through different services, their configurations. With the ARM templates, you no longer need to click and navigate around the portal. In this article, we will learn what continuous backup is and how to configure it on an Azure Cosmos DB account.

All these functions will return the current date-time of the system on which the SQL Server is running. The only difference of having these many functions is the accuracy of the length of timestamp like till what precision you want to return your date time output. Creating SQL Queries is a straightforward process. The SQL queries allow us to send queries to a database. In this article, we will have a fast, practical tutorial about doing your own queries from scratch.