SQL Comments

SQL Comments

Comments are used to explain sections of SQL statements, or to prevent execution of SQL statements.

Note: The examples in this chapter will not work in Firefox and Microsoft Edge!

Comments are not supported in Microsoft Access databases. Firefox and Microsoft Edge are using Microsoft Access database in our examples.


Single Line Comments

Single line comments start with –.

Any text between — and the end of the line will be ignored (will not be executed).

The following example uses a single-line comment as an explanation:

Example

–Select all:
SELECT * FROM Customers;

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