What is the use of Select Case statement?

What is the use of Select Case statement?

A Select Case statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each select case.

How do you case a select statement?

Case Statement with Order by clause

  1. Select EmployeeName,Gender,Salary.
  2. from Employee.
  3. ORDER BY CASE Gender.
  4. WHEN ‘F’ THEN Salary End DESC,
  5. Case WHEN Gender=’M’ THEN Salary.
  6. END.

What is the last statement in the Select Case statement?

End of the Select statement. This statement will print some text on the screen regardless of whether a Case statement was matched or not. It will always execute.

Is select a case?

The Is comparison operator is not the same as the Is keyword used in the Select Case statement. Select Case statements can be nested. Each nested Select Case statement must have a matching End Select statement.

Which part of the Select Case statement is optional?

The CASE statement always goes in the SELECT clause. CASE must include the following components: WHEN , THEN , and END . ELSE is an optional component. You can make any conditional statement using any conditional operator (like WHERE ) between WHEN and THEN .

How do you end a select case?

If the code within a Case or Case Else statement block does not need to run any more of the statements in the block, it can exit the block by using the Exit Select statement. This transfers control immediately to the statement following End Select . Select Case constructions can be nested.

Can we write select statement in CASE?

CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.

Can we use case in select statement in SQL?

The Case statement in SQL is mostly used in a case with equality expressions. The SQL Case statement is usually inside of a Select list to alter the output. What it does is evaluates a list of conditions and returns one of the multiple possible result expressions.

Can we write CASE statement in where clause?

According to MS SQL Docs, a CASE statement can be used throughout the SELECT statement. CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.

Can we use select in case statement?

Can we write select statement in case?

What is a case statement in SQL Server?

Understanding the SQL Server CASE statement Creating dummy data. The script above has created a dummy database called ShowRoom with one Table in it called Cars. SQL Server CASE statement syntax. CASE statement examples. Multiple conditions in CASE statement. Using GROUP BY with SQL Server CASE statement. Conclusion. Other great articles from Ben.

What is select case Visual Basic?

Generally, in Visual Basic the Select…Case statement is a collection of multiple case statements and it will execute only one single case statement based on the matching value of the defined expression.

What is a SELECT clause?

In a query expression, the select clause specifies the type of values that will be produced when the query is executed.