What does asc mean in mysql

ASC means ascending order in MySQL, suitable for numeric and string types. Use the ASC keyword followed by the column name in a SELECT statement to sort data in ascending order, as opposed to DESC. ASC is the default sort order and if not specified, data will be sorted in ascending order.

The meaning of ASC in MySQL

ASC is a SQL keyword used to specify ascending order of data arrangement. It is valid for both numeric and string types.

Use ASC sorting

Use the ASC keyword in the SELECT statement, followed by the column name to be sorted in ascending order, as follows:

<code>SELECT * FROM table_name ORDER BY column_name ASC;</code>

For example, the following statement returns all rows in the table in ascending order by the name column:

<code>SELECT * FROM customers ORDER BY name ASC;</code>

Differences from DESC

DESC is another SQL keyword used to specify the pair The data is sorted in descending order. It is the opposite of ASC and arranges the data in descending order.

Note:

• The ASC and DESC keywords are not case-sensitive.
• ASC is the default sort order. If no sort order is specified, the data is arranged in ascending order.
• You can apply sorting to multiple columns, sorting in the specified order. For example:

<code>SELECT * FROM table_name ORDER BY column_name1 ASC, column_name2 DESC;</code>

The above is the detailed content of What does asc mean in mysql. For more information, please follow other related articles on the PHP Chinese website!