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51 questions linked to/from Should I use != or <> for not equal in T-SQL?
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56 votes
2 answers
134k views

What is difference between != and <> operators in Sql Server? Since both are used as not operator. E.g : select * from TableName where ColName <> value or select * from TableName ...
Ankush Madankar's user avatar
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40 votes
4 answers
36k views

If I use a simple table such as : create table test ( a int ); insert into test values ( 1 ) , ( 2 ) , ( 2 ) , ( 3 ); select * from test where a <> 2; select * from test where a != 2; Both give ...
Alain's user avatar
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1 vote
8 answers
774 views

Duplicate of: Should I use != or <> for not equal in TSQL Within SQL Server's T-SQL should I use "<>" or "!=", or does it really even matter?
KM.'s user avatar
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5 votes
1 answer
7k views

When writing a query, does it matter if I use <> or != when I mean "not equal to"? As per the example below, nulls don't seem to be affected whether I use <> or !=. Is this an aesthetic ...
FistOfFury's user avatar
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2 votes
3 answers
2k views

Possible Duplicate: Should I use != or <> for not equal in TSQL? Behavior of both operator is same. But i want to know about What is difference between operater != and <> in SQL Server?
RAKESH HOLKAR's user avatar
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2 votes
3 answers
425 views

I was working in MSSQL server 2012. I wrote a query select * from Mytable where col1 is not null and col1 != '' and select * from Mytable where col1 is not null and col1 <> '' Both returns ...
Shiva's user avatar
  • 430
-1 votes
2 answers
2k views

Using SQL Server 2008 I have a query which resembles this: SELECT * FROM myTable mt WHERE mt.ID !=0 What is the !=0 ? It looks like it's the same as saying <> 0. I am unable to google this, ...
Preston's user avatar
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0 votes
2 answers
180 views

Is there a difference in performance between != and <>? Bonus: why do people get upset when I use != instead of <>? I am of course speculating that all programmers get upset about this, ...
aaronmallen's user avatar
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-1 votes
1 answer
270 views

Why are there two inequality comparison operators? <> and !=, per Microsoft != is the same as <>, why have two what benefit does this give us? Functions the same as the <> (Not Equal ...
gh9's user avatar
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-1 votes
1 answer
148 views

I just wanted to know if there is a difference between <> and != when expressing inequality in SQL queries.
Amit's user avatar
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1 vote
0 answers
133 views

Possible Duplicate: Should I use != or <> for not equal in TSQL? I see a number of questions using != to express the not equal operator in SQL. Working mostly with SQL-Server and Oracle I ...
bernd_k's user avatar
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130 votes
4 answers
125k views

Cursor findNormalItems = db.query("items", columns, "type=?", new String[] { "onSale" }); I want to return the cursor that points anything that are NOT onSale, what ...
sammiwei's user avatar
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152 votes
4 answers
359k views

I would like to know if there are any differences in between the two not equal operators <> and != in Oracle. Are there cases where they can give different results or different performance?
Mesop's user avatar
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39 votes
8 answers
133k views

What does <> mean in SQL language: Sample code is as follows SELECT ordid, prodid, qty FROM item WHERE prodid IN (SELECT prodid FROM item ...
Jay's user avatar
  • 540
54 votes
4 answers
47k views

I don't like not knowing this as there may be situations when I need to use one instead of the other. It seems in most cases they produce the same results but I am taking a guess they have subtle ...
Kevin Orriss's user avatar
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