Sql order by then by

How to write the sql so that the result can be ordered first by column A than by column B. THEN GROUP BY - Stack. Sql order by first, then next. The ORDER BY clause orders or sorts the result of a query according to the values in one or more specific columns.

More than one columns can be ordered one within another. It depends on the user that, whether to order them in ascending or descending order.

The default order is ascending. Introduction to the SQL Server ORDER BY clause. When you use the SELECT statement to query data from a table, the order of rows in the result set is not guaranteed.

It means that SQL Server can return a result set with an unspecified order of rows. The only way for you to guarantee that the rows in the result set are sorted is to use theORDER. Eine Ganzzahl oder Konstante kann nicht angegeben werden, wenn order _by_expression in einer Rangfolgefunktion angezeigt wird.

An integer or constant cannot be specified when order _by_expression appears in a ranking function. Weitere Informationen unter OVER-Klausel (Transact- SQL ). For more information, see OVER Clause (Transact- SQL ).

The ordering of the selected data can be done by one or more columns in a table. SQL ORDER BY clause is used to order the data sets retrieved from a SQL database. SQL gives you options for retrieving, analyzing, and displaying the information you need with the GROUP BY, HAVING, and ORDER BY clauses.

Here are some examples of how you can use them. GROUP BY clauses Sometimes, rather than retrieving individual records, you want to know something about a group of records. SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL An Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL. Because a collation is not specified in the ORDER BY clause, the first query uses the collation of the column when sorting the values.

In the second query, a case-sensitive, accent-sensitive collation is specified in the ORDER BY clause, which changes the order in which the rows are returned. And then it sorts the sorted result set by the first name in ascending order to produce the final result set. When you include more than one column in the ORDER BY clause, the database system first sorts the result set based on the first column and then sort the sorted result set based on the second column, and so on. We will use the employees table in the sample database for the demonstration.

Some databases sort the query. For columns that could potentially have duplicates, specify a secondary (or tertiary etc.) ORDER BY column name. To do this, we use the CASE after ORDER BY and then checks for column value. In above case, all records having Active = is sorted on “Active ASC” order.

All records having Active = is sorted on. Other than Country this logic can be applied for other things like. When you query data from a table, PostgreSQL returns the rows in an unspecified order.

To sort the result set, you use the ORDER BY clause in the SELECT statement.