Linked Questions
51 questions linked to/from Should I use != or <> for not equal in T-SQL?
2 votes
1 answer
497 views
Is there a reason ANSI SQL uses <> as a comparison operator? [closed]
I'm sure there's a reason that the comparison operator is <>. I'm googling and trying to make sense of it; I'm reading that it has to do with indexes from a functional perspective; what I'm ...
0 votes
2 answers
560 views
comparison operator objects in java
Are there any object representation of these comparison operators (<, <=, ==, >=, >, !=) in Java ? E.g. use case: void filterHotel( Object operator, float rating ) { String query = "...
1 vote
1 answer
763 views
Unrecognized keyword. in PHP
hi my name is milind and trying to mysql UPDATE query fire with CASE and WHEN statement and i getting this error below: 24 errors were found during analysis. Unrecognized keyword. (near "CASE" at ...
1 vote
3 answers
199 views
SQL Query to show records
I am trying to figure out what SQL query I need to fetch records from my users table. "SELECT * FROM users WHERE level!='4'" Level 4 users are "COMPLETED" so by default, they are not shown. But I do ...
1 vote
4 answers
135 views
What's this symbol (<>) doing to this select statement?
The code below retrieved 74,700 rows from the database. select * from Orders O inner join customers C on O.CustomerID <> c.CustomerID The same code with = retrieves 830 records. ...
-2 votes
1 answer
238 views
What does the <> symbol mean in InterpolatingFunction?
What does <> (less than followed by greater than) mean in Mathematica? For example: InterpolatingFunction[{-6,6},{0,6}],<>[x,y] I am very much confused in such kind of expressions. As I ...
0 votes
3 answers
95 views
!= in sql or != in php
Task: get display 10 objects except 1 specific Solutions: get 11 objects from DB, and do something like this foreach ($products as $product) { if($product->getId() != $specificProduct->getId()...
0 votes
2 answers
159 views
TSQL Boolean Comparison Syntax
In TSQL is it proper to use != or should one always use <> when doing Boolean comparisons? Is there any difference in performance between the two?
-7 votes
2 answers
119 views
SQL SELECT WHERE NOT EQUAL
I'm trying to SELECT from usr_uploaded_content WHERE the id is NOT equal to $content_id I'm just wondering how this could be achieved. Thankyou. SELECT * FROM `usr_uploaded_content` WHERE `id` != '$...
0 votes
1 answer
63 views
<> operator not working in query
Let's focus on event_table column. What I'm trying to do is getting all value except for "0" Here is my query for that, $query = "SELECT DISTINCT event_table FROM embedded_page WHERE event_table <&...
-3 votes
1 answer
159 views
Access SQL - Alternate for !=
I'm working in a C# program. I'm using Access 2010. I have some SQL Queries which are confusing. OleDbCommand cmd = new OleDbCommand("SELECT * FROM Daybook WHERE [Entry Date]<=#" + ...
-1 votes
5 answers
95 views
Selecting filtered rows with SQL
I am constructing an SQL statement with some parameters. Finally, an SQL statement is created like "select * from table where column1 = "xyz"". But I also need the rows which are filtered with this ...
0 votes
0 answers
120 views
Rails has_and_belongs_to_many associations: how to retrieve records not having a specific associated record
Let's say have Student and a Teacher models: class Student < ApplicationRecord has_and_belongs_to_many :teachers end class Teacher < ApplicationRecord has_and_belongs_to_many :students end ...
0 votes
1 answer
83 views
Security in my PHP script [closed]
I found this source code in a website I just purchased. Just wondering if this script is secure? Can anyone explain this to me? <?php if($_GET['map_loc']) { $code = $_GET['map_loc']; $...
0 votes
5 answers
52 views
MYSQL query if syntax
I have a question regarding an SQL syntax. I have a mysql table like this (id, name, subid, preview) where preview is set to 0 as default. So now I want to make a select to query only lines where ...