Sql line comment

Indicates user-provided text. Transact- SQL Syntax Conventions. This SQL tutorial explains how to use comments within your SQL statements with syntax and examples.

In SQL , you can comment your code just like any other language. This method of commenting can only span a single line within your SQL and must be at the end of the line. This is one or more character strings. Is the text of the comment.

Its primary purpose is to document code, but you can also disable obsolete or unfinished pieces of code by turning them into comments. Description of the illustration comment. A comment for a column can be specified with the COMMENT option. This option is operational as of MySQL 4. It is allowed but ignored in earlier versions.

These single line comments are basically used to show the comments in start of program and end of program. User can easily use this comment type to explain the flow of program. Including comments in your SQL. These are generally used when you are running an SQL script, or including as part of a Stored Procedure, Trigger or Function Definition.

You can include comments in your SQL. There are several ways for specifying comments : line comment. Did you know that you can place comments within your SQL statements in Oracle? These comments can appear on a single line or span across multiple lines. Everything between two dashes(–) and carriage returns is considered as comment.

The remainder of the text. This comment can be placed anywhere in the code. I have ran the below statements in sqlplus. It inserts duplicate of row 2. So, here I am asking. How do I make a comment on the Windows command line ? Using comments in SQL Server.

Microsoft SQL Server supports two types of comments : (–) is a line comment. It can be used in a same line as SQL code, or on a separate line. If you uncomment the complete SQL statement, line will still be commented out.

Ask Question Asked years, months ago. Hot Network Questions Does a British citizen need a passport to fly to various British territ. Oracle SQL adding multi-line table comment or column comment. Comments are treated as whitespace by the parser.

If you’re a keyboard person, try this combination to comment out selected lines (works in both, SQL and Visual Studio) – press Ctrl-K, keep pressing Ctrl key and hit key C (Ctrl-K Ctrl-C). To uncomment selection, use Ctrl-K Ctrl-U. According to the manual, your example is spot on for multi- line comments.