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What does lt; gt; (angle brackets) mean in MS-SQL Server? <> 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 operand is not equal to the right operand; otherwise, the result is FALSE If either or both operands are NULL, see the topic SET ANSI_NULLS (Transact-SQL) See here : Not Equal To
Should I use != or lt; gt; 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 an example of when to choose the standard form, T-SQL supports two “not equal to” operators: <> and != The former is standard and the latter is not
SQL: IF clause within WHERE clause - Stack Overflow 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 if the first check fails, SQL will stop processing the line and continue on That saves you processing time
sql - NOT IN vs NOT EXISTS - Stack Overflow In order to filter the student records that have a 10 grade in Math, we can use the EXISTS SQL operator, like this: SELECT id, first_name, last_name FROM student WHERE EXISTS ( SELECT 1 FROM student_grade WHERE student_grade student_id = student id AND student_grade grade = 10 AND student_grade class_name = 'Math' ) ORDER BY id
sql - Incorrect syntax near - Stack Overflow I'm trying to run the following fairly simple query in SQL Server Management Studio: SELECT TOP 1000 * FROM master sys procedures as procs left join master sys parameters as params on p
What is the difference between INNER JOIN and OUTER JOIN? Here a Venn diagram makes sense, because the elements from the seperate queries are in fact rows that either belonging to just one of the results or both Intersect will obviously only return results where the row is present in both queries This SQL will result in the same row as the one above WHERE, and the Venn diagram will also be the same:
DateTime2 vs DateTime in SQL Server - Stack Overflow When mapping a net Datetime down to the old SQL DateTime an implicit rounding occurs The old SQL DateTime is accurate to 3 milliseconds This means that 11:59:59 997 is as close as you can get to the end of the day Anything higher is rounded up to the following day Try this :
sql - How do I list all the columns in a table? - Stack Overflow 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 names, type, length, etc ALT + F1 while you've highlighted dbo MyTable is the equivalent of running EXEC sp_help 'dbo MyTable' according to this site