What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · <> operator means not equal to in MS SQL. It compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left …
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 …
Should I use != or <> for not equal in T-SQL? - Stack Overflow
Mar 26, 2018 · Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL …
SQL WITH clause example - Stack Overflow
Sep 23, 2012 · The SQL WITH clause was introduced by Oracle in the Oracle 9i release 2 database. The SQL WITH clause allows you to give a sub-query block a name (a process also …
SQL: IF clause within WHERE clause - Stack Overflow
Sep 18, 2008 · This solution is actually the best one due to how SQL server processes the boolean logic. CASE statements in where clauses are less efficient than boolean cases since …
database - how to get current datetime in SQL? - Stack Overflow
Aug 5, 2009 · For SQL Server use GetDate() or current_timestamp. You can format the result with the Convert(dataType,value,format). Tag your question with the correct Database Server.
What's the purpose of SQL keyword "AS"? - Stack Overflow
Nov 12, 2010 · In the early days of SQL, it was chosen as the solution to the problem of how to deal with duplicate column names (see below note). To borrow a query from another answer: …
sql server 2008 - SQL query with NOT LIKE IN - Stack Overflow
This is similar to others examples but uses a CTE and a SQL Server table value constructor. References:
SQL JOIN: what is the difference between WHERE clause and ON …
The SQL INNER JOIN allows us to filter the Cartesian Product of joining two tables based on a condition that is specified via the ON clause. SQL INNER JOIN - ON "always true" condition If …
SQL SELECT WHERE field contains words - Stack Overflow
May 31, 2023 · If your SQL dialect supports CHARINDEX, it's a lot easier to use it instead: SELECT * FROM MyTable WHERE CHARINDEX('word1', Column1) > 0 AND …