Can we use if in select statement SQL Server?

Can we use if in select statement SQL Server?

IIF. From SQL SERVER 2012, we have the option to use IIF statements. It is like a Shorthand form of CASE statement. We can conveniently use it when we need to decide between two options.

How do you write an if statement in SQL Select query?

You can have two choices for this to actually implement:

  1. Using IIF, which got introduced from SQL Server 2012: SELECT IIF ( (Obsolete = ‘N’ OR InStock = ‘Y’), 1, 0) AS Saleable, * FROM Product.
  2. Using Select Case : SELECT CASE WHEN Obsolete = ‘N’ or InStock = ‘Y’ THEN 1 ELSE 0 END as Saleable, * FROM Product.

Can we use if condition in where clause?

Answer, no. IF is a control flow statement used to control the logical flow of a script, stored procedure, or user-defined function.

What are after triggers?

An after trigger runs after the corresponding insert, update, or delete changes are applied to the table. The WHEN condition can be used in an SQL trigger to specify a condition.

What does <> operator mean in SQL?

Compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand is not equal to the right operand; otherwise, the result is FALSE.

What is the difference between for trigger and after trigger?

There is no difference, they do the same thing. An INSTEAD OF trigger is different, and fires before and instead of the insert and can be used on views, in order to insert the appropriate values into the underlying tables.

What is the difference between before trigger and after trigger?

Before triggers are used to update or validate record values before they’re saved to the database. After triggers are used to access field values that are set by the system (such as a record’s Id or LastModifiedDate field), and to effect changes in other records.

How do you select in SQL?

A few weeks ago, I made a short post here about the fact that a simple SELECT in the default isolation level can trigger an index lock escalation on a SQL Server. This sparked a small discussion in the comments about how and why. That’s why I promised to

How do I get my SQL Server Name?

Download the .tar or .tar.gz archive for the generic binaries for Linux from the Download MySQL Community Server page.

  • See Installing MySQL on Unix/Linux Using Generic Binaries for instructions on installing the binaries.
  • After installing the binaries,following the instructions given in Initializing the Data Directory .
  • How to check if a function exists in SQL Server?

    – Table-valued Function – Scalar-valued Function – Aggregate Function

    What is the default SQL Server?

    SQL Server INNER JOIN (or sometimes called simple join)

  • SQL Server LEFT OUTER JOIN (or sometimes called LEFT JOIN)
  • SQL Server RIGHT OUTER JOIN (or sometimes called RIGHT JOIN)
  • SQL Server FULL OUTER JOIN (or sometimes called FULL JOIN)