NULL Values Involved in Arithmetic Operations in SQL Server

Q

What Happens If NULL Values Are Involved in Arithmetic Operations in SQL Server Transact-SQL?

✍: FYIcenter.com

A

If NULL values are involved in arithmetic operations, the result will be numeric NULL values. The following tutorial script shows you some good examples:

SELECT 7+NULL;
GO
-----------
NULL

SELECT 10.02*NULL;
GO
-----------
NULL

SELECT 4.988E+10/NULL;
GO
-----------
NULL

Â

â‡’Working with NULL Values in SQL Server Transact-SQL

â‡’â‡’SQL Server Transact-SQL Tutorials

2017-02-05, 892👍, 0💬

Setting New Values to Parts of a DATETIME Value in SQL Server
How To Set Different Parts of a DATETIME Value in SQL Server Transact-SQL? In SQL Server, you can get different parts of a DATETIME value with the DATEPART() functions. But there is no function that allows you to set different parts to a DATETIME value. For example, you a date_of_birth column as DAT... 2017-02-08, 1009👍, 0💬

NULL Values Involved in Boolean Operations in SQL Server
What Happens If NULL Values Are Involved in Boolean Operations in SQL Server Transact-SQL? If NULL values are involved in Boolean operations, the result will vary depending on the operator type. For AND operator, FALSE takes precedence over NULL. The result can be summarized in a table below: AND TR... 2017-02-03, 1006👍, 0💬

Assigning NULL Values to Variables or Columns in SQL Server
How To Assign NULL Values to Variables or Columns in SQL Server Transact-SQL? The rule for assigning NULL values to variables or table columns is simple: Use keyword "NULL" directly as normal values. "NULL" can be used in SET statements to assign NULL values to variables. "NULL" can be used in SET c... 2017-02-05, 997👍, 0💬

What Are NULL Values in SQL Server
What Are NULL Values in SQL Server Transact-SQL? A NULL value is a special value that represents an unknown value. SQL Server supports NULL values with the following features: All data types used for table columns support NULL values. In another word, NULL values can be stored in database tables. In... 2017-02-05, 986👍, 0💬

Working with NULL Values in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Working with NULL Values in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Working with NULL Values in SQL Server Transact-SQL. Clear explanations and tutorial exerci... 2017-02-08, 974👍, 0💬

NULL Values Involved in Comparison Operations in SQL Server
What Happens If NULL Values Are Involved in Comparison Operations in SQL Server Transact-SQL? If NULL values are involved in comparison operations, the result will be Boolean NULL values. This behavior is very interesting because you would expect a comparison operation returns only one of the two va... 2017-02-03, 970👍, 0💬

NULL Values Involved in Datetime Operations in SQL Server
What Happens If NULL Values Are Involved in Datetime Operations in SQL Server Transact-SQL? If NULL values are involved in datetime operations, the result will be datetime NULL values. The following tutorial script shows you some good examples: USE FyiCenterData; GO SELECT GETDATE()+NULL; GO -------... 2017-02-05, 902👍, 0💬

NULL Values Involved in Arithmetic Operations in SQL Server
What Happens If NULL Values Are Involved in Arithmetic Operations in SQL Server Transact-SQL? If NULL values are involved in arithmetic operations, the result will be numeric NULL values. The following tutorial script shows you some good examples: SELECT 7+NULL; GO ----------- NULL SELECT 10.02*NULL... 2017-02-05, 893👍, 0💬

NULL Values Involved in Bitwise Operations in SQL Server
What Happens If NULL Values Are Involved in Bitwise Operations in SQL Server Transact-SQL? If NULL values are involved in bitwise operations, the result will be binary NULL values. The following tutorial script shows you some good examples: SELECT 1 | NULL; GO ----------- NULL SELECT 707 & N... 2017-02-03, 888👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.