Check out example codes for "sql comment". It will help you in understanding the concepts better.

Code Example 1

/* Multi-Line
comment
goes here */

-- Single-Line comment goes here

Code Example 2

/* Multi-Line
comment
goes here */

-- Single-Line comment goes here

Code Example 3

/* Multi-Line
comment
goes here */

-- Single-Line comment goes here

Code Example 4

/* Comment */

Code Example 5

--Select all:

SELECT * FROM Customers;

Learn ReactJs, React Native from akashmittal.com