What is order by 2 desc in SQL?

What does ORDER BY 2 mean in SQL?

SELECT first_name, last_name FROM sales.customers ORDER BY 1, 2; In this example, 1 means the first_name column and 2 means the last_name column. Using the ordinal positions of columns in the ORDER BY clause is considered as bad programming practice for a couple of reasons.

Can we use ORDER BY 2 desc in SQL?

After the ORDER BY keyword, add the name of the column by which you’d like to sort records first (in our example, salary). Then, after a comma, add the second column (in our example, last_name ). You can modify the sorting order (ascending or descending) separately for each column.

What is ORDER BY DESC in SQL?

The ORDER BY statement in SQL is used to sort the fetched data in either ascending or descending according to one or more columns. … We can use the keyword DESC to sort the data in descending order and the keyword ASC to sort in ascending order.

What is ORDER BY 3 in SQL?

Order by 3 DESC. In this query, column birthdate is at the 3rd position; therefore, we can use three in the Order by clause to sort results on this column data. Note: I would not recommend using column position in Order By clause. You should always use a column name in Order by clause.

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How do you order things in SQL?

The SQL ORDER BY Keyword

The ORDER BY keyword is used to sort the result-set in ascending or descending order. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.

What is a Adhoc query?

An ad hoc query is a single query not included in a stored procedure and not parameterized or prepared. Depending on the server settings, SQL Server can parameterize some statements initially written as ad hoc queries. Ad hoc doesn’t mean dynamic. … If a dynamic query is parameterized, it’s not an ad hoc query.

Which query is used to get the current date?

MySQL SYSDATE() Function

The SYSDATE() function returns the current date and time. Note: The date and time is returned as “YYYY-MM-DD HH:MM:SS” (string) or as YYYYMMDDHHMMSS (numeric).

What is ORDER BY 4 in SQL?

You also may notice that the number 4 is specified in the order by clause. The number 4 specifies the position of the columns in the SQL query. In this case, position of BusinessEntityID is 1, FirstName is 2, MiddleName is 3 and LastName is 4.

Can we use case in ORDER BY clause?

We can use Case statement with order by clause as well. In SQL, we use Order By clause to sort results in ascending or descending order.

How do you do alphabetical order in SQL?

If you want to sort based on two columns, separate them by commas. For example, ORDER BY LAST_NAME ASC, FIRST_NAME DESC; would display results sorted alphabetically by last name. If the same LAST_NAME matches multiple FIRST_NAME entries, the results of FIRST_NAME will also display in descending order.

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How do I sort by date in SQL query?

Introduction to SQL ORDER BY DATE

  1. Syntax and parameters:
  2. Using DESC to sort records in descending order.
  3. Using DATE PARTS such as MONTH, DAY, HOUR, etc. as an argument in ORDER BY clause.
  4. Using two DATE arguments in ORDER BY clause.
  5. Using DATE obtained from DATEADD function as an argument in ORDER BY clause.
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