How do you select multiple statements in one query?

How do you select multiple statements in one query?

Procedure

  1. To combine two or more SELECT statements to form a single result table, use the set operators: UNION, EXCEPT or INTERSECT.
  2. To keep all duplicate rows when combining result tables, specify the ALL keyword with the set operator clause.

Can you use multiple SELECT statements in SQL?

The SQL UNION ALL operator is used to combine the result sets of 2 or more SELECT statements. It does not remove duplicate rows between the various SELECT statements (all rows are returned). Each SELECT statement within the UNION ALL must have the same number of fields in the result sets with similar data types.

Can we use case without select statement?

3 Answers. You can use a WHERE clause to restrict the output. Or if you wanted to showcase some other value instead of null use an else part inside the CASE statement.

How to use case statement for multiple select statements?

SELECT CASE ReceivePayment.PaymentType WHEN ‘Sale’ THEN SELECT Name FROM Vendor WHERE VendorID = ReceivePayment.AccountID WHEN ‘Purchase’ THEN SELECT Name FROM Customers WHERE CustID = ReceivePayment.AccountID END FROM ReceivePayment You just need parentheses around the subqueries.

How to do multiple case when conditions using SQL Server?

There are two formats of case expression. You can do CASE with many WHEN as; CASE WHEN Col1 = 1 OR Col3 = 1 THEN 1 WHEN Col1 = 2 THEN 2 ELSE 0 END as Qty

How to write a case statement in SQL?

There are two ways to write case statements, you seem to be using a combination of the two. case a.updatedDate when 1760 then ‘Entered on’ + a.updatedDate when 1710 then ‘Viewed on’ + a.updatedDate else ‘Last Updated on’ + a.updateDate end.

How to use more then one condition for the same column?

What I’m trying to do is use more than one CASE WHEN condition for the same column. SELECT Url=”, p.ArtNo, p. [Description], p.Specification, CASE WHEN 1 = 1 or 1 = 1 THEN 1 ELSE 0 END as Qty, p.NetPrice, [Status] = 0 FROM Product p (NOLOCK) However, what I want to do is use more then one WHEN for the same column “qty”.