sql - Not equal <> != operator on NULL - Stack Overflow
Apr 14, 2011 · 11 In SQL, anything you evaluate / compute with NULL results into UNKNOWN This is why SELECT * FROM MyTable WHERE MyColumn != NULL or SELECT * FROM …
What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · What does <> (angle brackets) mean in MS-SQL Server? Asked 11 years, 7 months ago Modified 3 years, 10 months ago Viewed 80k times
Should I use != or <> for not equal in T-SQL? - Stack Overflow
Apr 6, 2009 · Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL …
What does the SQL # symbol mean and how is it used?
Jun 28, 2019 · The other answers are correct if you're dealing with SQL Server, and it's clear that you are. But since the question title just says SQL, I should mention that there are some forms …
What does the "@" symbol do in SQL? - Stack Overflow
Jul 30, 2012 · The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using …
sql - How to use "and" and "or" in a "Where" clause - Stack Overflow
Jul 23, 2012 · I have a query that is gathering information based on a set of conditions. Basically I want to know if a location has paid out more than $50 for the day OR the comment section has …
SQL Server tables: what is the difference between @, # and
Feb 8, 2010 · In SQL Server, what is the difference between a @ table, a # table and a ## table?
sql - How do I list all the columns in a table? - Stack Overflow
Oct 16, 2009 · Microsoft SQL Server Management Studio 2008 R2: In a query editor, if you highlight the text of table name (ex dbo.MyTable) and hit ALT + F1, you'll get a list of column …
t sql - How to format datetime in SQL SERVER - Stack Overflow
Reopened as SQL Server 2012 has format function not in 2008.
sql - querying WHERE condition to character length? - Stack …
Dec 17, 2015 · In SQL Server (MS SQL), the LEN function will return number of characters but it will not count trailing spaces. So the solution might be to add non-space character at the end, …