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What is the difference between DESC and ASC?
The ASC stands for ascending and the DESC stands for descending. You use ASC to sort the result set in ascending order and DESC to sort the result set in descending order respectively.
What does ASC and DESC stand for?
You can order your records in ascending or descending order. The default is ASCENDING, which is shortened to ASC in SQL syntax. The opposite is of course DESCENDING, which is shortened to DESC .
What is ASC in index?
You can use the asc (ascending) and desc (descending) keywords to assign a sort order to each column in an index. By default, sort order is ascending.
What is ASC in Oracle?
The ASC instructs Oracle to sort the rows in ascending order. Because the ASC is optional. If you omit it, by default, the ORDER BY clause sorts rows by the specified column in ascending order.
How do I sort by both ASC and DESC in SQL?
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 ASC database?
Active Sequences Collection (ASC) database: a new tool to assign functions to protein sequences.
Does it matter if index is ascending or descending?
As we have shown creating an index in ascending or descending order does not make a big difference when there is only one column, but when there is a need to sort data in two different directions one column in ascending order and the other column in descending order the way the index is created does make a big …
What does DESC mean in SQL?
the data returned in descending order
The DESC command is used to sort the data returned in descending order.
How do I ORDER BY both ASC and DESC?
To sort in ascending or descending order we can use the keywords ASC or DESC respectively. To sort according to multiple columns, separate the names of columns by the (,) operator.
Do indexes speed up ORDER BY?
Yes, index will help you, when using ORDER BY. Because INDEX is a sorted data structure, so the request will be executed faster. Look at this example: table test2 with 3 rows.
Is ORDER BY default ASC or DESC?
The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.
Do indexes help sorting?
What will happen if you don’t specify ASC or DESC after a SQL ORDER BY clause?
If you don’t specify the ASC or DESC keyword, SQLite sorts the result set using the ASC option. In other words, it sorts the result set in the ascending order by default. In case you want to sort the result set by multiple columns, you use a comma (,) to separate two columns.
Can index_Col_name end with ASC or DESC keywords?
An index_col_name specification can end with ASC or DESC. These keywords are permitted for future extensions for specifying ascending or descending index value storage. Currently, they are parsed but ignored; index values are always stored in ascending order. Show activity on this post.
Should I use ASC or DESC for column names in Derby?
Specifying ASC after the column name does not alter the default behavior. The DESC keyword after the column name causes Derbyto use descending order for the column to create the index.
Can I use ASC and Desc for indexes in MySQL?
In MySQL defining ASC or DESC for indexes is not only unsupported, but it would also be pointless. MySQL can traverse indexes in both directions as needed, so it does not require the order to be defined explicitly. Thanks for contributing an answer to Stack Overflow!
Is default ASC or ASC in SQL Server?
Default is ASC in all SQL products. Hey, don’t hit. That is a valid question. Working with SQL since 20 years this seems a bit a too basic questions, but I don’t see why this is -2 here. thank you hol, I complletely agree with you… Basic but valid question, why was it downvoted?? Show activity on this post. Check the documentation.