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 …
What does the "@" symbol do in SQL? - Stack Overflow
The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than …
SQL: IF clause within WHERE clause - Stack Overflow
Sep 18, 2008 · Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE …
SQL WITH clause example - Stack Overflow
Sep 23, 2012 · 353 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 - 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 …
Convert Rows to columns using 'Pivot' in SQL Server
Apr 10, 2013 · Pivot is one of the SQL operator which is used to turn the unique data from one column into multiple column in the output. This is also mean by transforming the rows into …
sql - How do I remove the first characters of a specific column in a ...
In SQL, how can I remove the first 4 characters of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231. I want ...
sql - Exclude a column using SELECT * [except columnA] FROM …
FROM TableA This very powerful SQL syntax avoids a long list of columns that must be constantly updated due to table column name changes. This functionality is missing in the …
SQL Server® 2016, 2017, 2019 and 2022 Express full download
Jan 25, 2017 · All previous version of SQL Server Express were available in both web and full downloads. But I cannot find full download of SQL Server® 2016 Express. Does it exist? …
SQL: How to properly check if a record exists - Stack Overflow
Nov 23, 2010 · While reading some SQL Tuning-related documentation, I found this: SELECT COUNT(*) : Counts the number of rows. Often is improperly used to verify the existence of a …