How do I comment in SQL Server?

How do I comment in SQL Server?

Comments Within SQL Statements

1. Begin the comment with a slash and an asterisk (/*). Proceed with the text of the comment. This text can span multiple lines.
2. Begin the comment with — (two hyphens). Proceed with the text of the comment. This text cannot extend to a new line.

How do you comment code in SQL?

To comment out or uncomment SQL code in the SQL and XQuery editor:

1. Select the SQL code that you want to comment out or uncomment. For a single line, click anywhere in the line of code. For multiple lines, drag the pointer through the lines of code.
2. Right-click the selected SQL code, and then select Toggle Comment.

Does commented code affect performance SQL?

only the code that gets interpreted into commands gets compiled. comments have no effect at all.

How do I write comments in SQL Server Management Studio?

The keyboard shortcut to comment text is CTRL + K, CTRL + C. The keyboard shortcut to uncomment text is CTRL + K, CTRL + U.

How do I comment in a stored procedure?

To create line comments you just use two dashes “–” in front of the code you want to comment. You can comment out one or multiple lines with this technique. In this example the entire line is commented out.

How do you comment a table in SQL?

Use the COMMENT statement to add a comment about a table, view, materialized view, or column into the data dictionary. To drop a comment from the database, set it to the empty string ‘ ‘. See Also: “Comments” for more information on associating comments with SQL statements and schema objects.

Do comments slow down python?

Having comments will slow down the startup time, as the scripts will get parsed into an executable form. However, in most cases comments don’t slow down runtime. Additionally in python, you can compile the . py files into .

How do I comment all lines in SQL?

To comment or uncomment multiple lines in the web interface > SQL Worksheet:

1. Highlight multiple lines in the Worksheet. Begin ;
2. Press CMD + / (Mac) or CTRL + / (Windows). The highlighted lines are commented out.
3. Press CMD + / (Mac) or CTRL + / (Windows) again. The comments are removed from the highlighted lines.

How do I comment a stored procedure in MySQL?

In MySQL, a comment started with — symbol is similar to a comment starting with # symbol. When using the — symbol, the comment must be at the end of a line in your SQL statement with a line break after it. This method of commenting can only span a single line within your SQL and must be at the end of the line.

What is stored procedure write syntax?

The stored procedure syntax has the following parameters: Schema_name: It is the name of your database or schema. By default, a procedure is associated with the current database, but we can also create it into another database by specifying the DB name.

How do you comment on a table?

What do you mean by comment?

1 : an expression of opinion either in speech or writing The most frequent comment was that service was slow. 2 : mention of something that deserves notice I’d like to make a few general comments before we begin class.

What do comments do in a stored procedure?

One very helpful thing to do with your stored procedures is to add comments to your code. This helps you to know what was done and why for future reference, but also helps other DBAs or developers that may need to make modifications to the code. SQL Server offers two types of comments in a stored procedure; line comments and block comments.

Why do you need comments in SQL Server?

This helps you to know what was done and why for future reference, but also helps other DBAs or developers that may need to make modifications to the code. SQL Server offers two types of comments in a stored procedure; line comments and block comments. The following examples show you how to add comments using both techniques.

How to create a stored procedure in SQL Server?

In Object Explorer, connect to an instance of Database Engine and then expand that instance. Expand Databases, expand the AdventureWorks2012 database, and then expand Programmability. Right-click Stored Procedures, and then click New Stored Procedure. On the Query menu, click Specify Values for Template Parameters.

How do you comment out a line in SQL?

To create line comments you just use two dashes “–” in front of the code you want to comment. You can comment out one or multiple lines with this technique. In this example the entire line is commented out.