What is the DESC command in SQL?

A desc command is also called a describe command in SQL. The command is case-insensitive and can be used in any of the below forms. Desc Table_Name; The above two commands perform the same function and will produce the same result.

How do you ORDER BY 2 desc in SQL?

To sort data by multiple columns in SQL, you can use the ORDER BY keyword in the SELECT statement. Specify the column names you want to sort by after the ORDER BY keyword, separated by commas. Add the ASC keyword for ascending order or the DESC keyword for descending order after each column name.

How to use distinct in SQL?

The syntax for using DISTINCT is as follows: SELECT DISTINCT column1, column2, … FROM table_name WHERE condition; column1, column2, … : The column(s) from which you want to retrieve distinct values.

What is DESC index in SQL?

Descending indexes are used when you frequently query data in descending order. They improve performance by avoiding the need for MySQL to sort the data at query time. In this syntax, column_name DESC specifies that the index should store the values of column_name in descending order.

Як внесення нових записів, так і звернення до наявних здійснюється завдяки використанню запитів, що складаються конструкціями SQL (structured …
… у порядку зростання або спадання. Ключове слово DESC у SQL використовується для сортування набору результатів запиту в порядку спадання.
The DESC command is used to sort the data returned in descending order. The following SQL statement selects all the columns from the “Customers” table.