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 …
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 - How to insert a string which contains an "&" - Stack Overflow
Sep 30, 2008 · How can I write an insert statement which includes the & character? For example, if I wanted to insert "J&J Construction" into a column in the database. I'm not …
What does the SQL # symbol mean and how is it used?
Jun 28, 2019 · The other answers are correct if you're dealing with SQL Server, and it's clear that you are. But since the question title just says SQL, I should mention that there are some forms …
What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · In My Query one place some other developer using <> (angle brackets) What does it mean ?
sql - Left Outer Join using + sign in Oracle 11g - Stack Overflow
This contradicts what I linked to in my answer, which is an excerpt from Oracle Database 10g SQL (Osborne ORACLE Press Series) 1st edition (February 20, 2004), stating: "In a left outer …
sql - How to enter special characters like "&" in oracle database ...
Aug 29, 2016 · INSERT INTO STUDENT(name, class_id) VALUES ('Samantha', 'Java_22 & Oracle_14'); If I try to run this query I am getting a popup and it asks me to enter value for …
Oracle SQL escape character (for a '&') - Stack Overflow
Jul 16, 2009 · While attempting to execute SQL insert statements using Oracle SQL Developer I keep generating an "Enter substitution value" prompt: insert into agregadores_agregadores ( …
SQL uses of "less than or equal to" <= vs. "not greater than ...
If SQL with a < is included in either XML or HTML it would have to be escaped as <. A greater than sign doesn't mean anything special unless it's been preceded by a less than sign.
escaping - Escape Character in SQL Server - Stack Overflow
Feb 19, 2022 · I want to use quotation with escape character. How can I do to avoid the following error when one has a special character? Unclosed quotation mark after the character ...