Question: Where can we write the order by clause in SQL Select query?

SELECT column-list FROM table_name [WHERE condition] [ORDER BY column1, column2, .. columnN] [ASC | DESC]; You can use more than one column in the ORDER BY clause. Make sure whatever column you are using to sort that column should be in the column-list.

Can we use WHERE clause with ORDER BY?

You can use the WHERE clause with or without the ORDER BY statement. You can filter records by finite values, comparison values or with sub-SELECT statements. The WHERE clause gives you several options when filtering data.

What is the order of clauses in SQL to write an SQL query?

The phases involved in the logical processing of an SQL query are as follows:

  • FROM clause.
  • ON clause.
  • OUTER clause.
  • WHERE clause.
  • GROUP BY clause.
  • HAVING clause.
  • SELECT clause.
  • DISTINCT clause.
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What is the use of ORDER BY clause in SELECT query?

An ORDER BY clause in SQL specifies that a SQL SELECT statement returns a result set with the rows being sorted by the values of one or more columns. The sort criteria do not have to be included in the result set.

In what order should SELECT query clauses be built?

Query order of execution

  1. FROM and JOIN s. The FROM clause, and subsequent JOIN s are first executed to determine the total working set of data that is being queried. …
  2. WHERE. …
  3. GROUP BY. …
  4. HAVING. …
  5. SELECT. …
  6. DISTINCT. …
  7. ORDER BY. …
  8. LIMIT / OFFSET.

WHERE does ORDER BY Go 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.

  1. By default ORDER BY sorts the data in ascending order.
  2. 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 1 desc in SQL?

it simply means sorting the view or table by 1st column of query’s result.

What is WHERE clause in SQL?

A WHERE clause in SQL specifies that a SQL Data Manipulation Language (DML) statement should only affect rows that meet specified criteria. … In brief SQL WHERE clause is used to extract only those results from a SQL statement, such as: SELECT, INSERT, UPDATE, or DELETE statement.

Does order matter in SQL where clause?

6 Answers. No, that order doesn’t matter (or at least: shouldn’t matter). Any decent query optimizer will look at all the parts of the WHERE clause and figure out the most efficient way to satisfy that query.

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What follows the WHERE clause in SQL query?

The GROUP BY statement follows the WHERE clause in a SELECT statement and precedes the ORDER BY clause. The GROUP BY statement is used with aggregation function.

What is order by 2 desc in SQL?

If you prefer, you can use the positions of the column in the ORDER BY clause. … SELECT name, credit_limit FROM customers ORDER BY 2 DESC, 1; In this example, the position of name column is 1 and credit_limit column is 2. In the ORDER BY clause, we used these column positions to instruct the Oracle to sort the rows.

Can we use alias in order by clause?

An alias can be used in a query select list to give a column a different name. You can use the alias in GROUP BY, ORDER BY, or HAVING clauses to refer to the column. Check here. Yes, you can certainly use column aliases in your “order by” clause.

Where do we use group by in SQL?

The GROUP BY Statement in SQL is used to arrange identical data into groups with the help of some functions. i.e if a particular column has same values in different rows then it will arrange these rows in a group.

Which order of clauses in a select statement is correct?

Logical SELECT clause order

  • The FROM clause: First, all data sources are defined and joined.
  • The WHERE clause: Then, data is filtered as early as possible.
  • The CONNECT BY clause: Then, data is traversed iteratively or recursively, to produce new tuples.

In what order do the SQL clauses appear in a SQL Select query should they all be present in a single query?

The order of clauses in the SQL statement is important: GROUP BY after WHERE (if present), ORDER BY last. ON Shippers. ShipperID=Orders.

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What is the order of a select statement?

The result of the SELECT statement is sorted in an ascending or descending order. An ordering term can be a column in the result list, an alias as specified in the result list, or a column index number in the result list, with or without ASC or DESC . The default sort order is ascending.