SQL uses of "less than or equal to" <= vs. "not greater than ...
The !=, !< and !> are not standard comparison operators and are only supported by few systems, SQL-Server being one: msdn: Comparison Operators (Transact-SQL). MySQL also supports …
SQL string comparison, greater than and less than operators
Sep 28, 2014 · To answer the specific questions you asked: Q: is this a possible way to compare strings in SQL? A: Yes, in both MySQL and SQL Server Q: and how does it act? A: A …
SQL Logic Operator Precedence: And and Or - Stack Overflow
28 Arithmetic operators Concatenation operator Comparison conditions IS [NOT] NULL, LIKE, [NOT] IN [NOT] BETWEEN Not equal to NOT logical condition AND logical condition OR …
Should I use != or <> for not equal in T-SQL? - Stack Overflow
Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL Server", they say "As …
SQL Server Agent Job Notify multiple operators on failure
The simplest method i use to notify multiple "OPERATORS" on "JOB FAILURE" is to: In SSMS>SQL Server Agent>Operators create a new OPERATOR or EDIT existing and add …
sql - Not equal <> != operator on NULL - Stack Overflow
Apr 14, 2011 · Note from the docs: When SET ANSI_NULLS is OFF, the Equals (=) and Not Equal To (<>) comparison operators do not follow the ISO standard. A SELECT statement that …
sql - What is this operator <=> in MySQL? - Stack Overflow
Feb 21, 2014 · WHERE p.name IS NULL Support The SQL:2003 standard introduced a predicate for this, which works exactly like MySQL's <=> operator, in the following form:
sql - IN vs ANY operator in PostgreSQL - Stack Overflow
Jan 6, 2016 · What is the difference between IN and ANY operator in PostgreSQL? The working mechanism of both seems to be the same. Can anyone explain this with an example?
How do the SQL "IS" and "=" operators differ? - Stack Overflow
Mar 25, 2011 · The value on the right-hand side of IS cannot be 5. To explain, consider MSDN's explanation of these two operators in T-SQL (note that asking about "SQL" and about "SQL …
What is the difference between NOT and != operators in SQL?
May 6, 2017 · Firstly, original SQL not-equal operator was <>, and only later on the C-style != was added as far as I know. I personally always use <> as != looks strange to me, but I'm old …