Antwort Can we use DESC in SQL? Weitere Antworten – How to use 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.The ORDER BY command sorts the result set in ascending order by default. To sort the records in descending order, use the DESC keyword.When sorting your result set in descending order, you use the DESC attribute in your ORDER BY clause. For example: SELECT last_name FROM employees WHERE first_name = 'Sarah' ORDER BY last_name DESC; This SQL Server ORDER BY example would return all records sorted by the last_name field in descending order.

What is type desc in SQL Server : So desc or describe command shows the structure of the table which include the name of the column, the data type of the column and the nullability which means, that column can contain null values or not. All of these features of the table are described at the time of Creation of the table.

What is DESC order in SQL

DESC. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.

How to display table in SQL using DESC : DESCRIBE | DESC [TableName | ViewName]; The terms mentioned above are described below: The TableName denotes the name of the table in the database for which we want to see the structure. ViewName also denotes the name of the view created for the table and we wish to describe the view structure.

Here in a SELECT query, an ORDER BY clause is applied on the column 'Name' to sort the records. DESC keyword will sort the records in descending order. All the records present in the customers table are displayed in the descending order of the customer's name.

The DESC command is used to sort the data returned in descending order.

What is DESC sorting

Descending order means the largest or last in the order will appear at the top of the list: For numbers or amounts, the sort is largest to smallest. Higher numbers or amounts will be at the top of the list.The DESCRIBE or DESC command in MySQL is a useful way to retrieve information about a table's structure, including column names, data types, and constraints. To use the DESCRIBE command, you need to log in to the MySQL server, select the database, and execute the command with the name of the table you want to describe.We can use it as below:

1. EXEC sp_help 'dbo.mytable';
2. EXEC sp_help 'dbo.Users';
3. EXEC sp_columns mytable;
4. EXEC sp_columns Users;
5. SELECT * FROM information_schema.columns WHERE table_name = 'object_name';
6. SELECT * FROM information_schema.columns WHERE table_name = 'Users';

For example, ORDER BY 3 specifies that you want the results ordered by the third column of the results table, as specified by the select-list. Use a number to order the rows of the results table when the sequencing value is not a named column.

What is opposite of DESC in SQL : By default things are sorted by ascending order. You can choose to reverse that order by specifying DESC, for descending. Similarly if you'd like to specify that you want ASCending you use ASC.

Why DESC is used in SQL : The DESC command is used to sort the data returned in descending order.

How to write DESC in MySQL

When sorting your result set in descending order, you use the DESC attribute in your ORDER BY clause as follows: SELECT last_name, first_name, city FROM contacts WHERE last_name = 'Johnson' ORDER BY city DESC; This MySQL ORDER BY example would return all records sorted by the city field in descending order.

DESCRIBE or DESC in SQL is a statement that shows the structure of the table. It gives all the information of each of the columns of the specified table such as column name, column type, default value, if it is NULL or NOT NULL, etc.You can specify the sorting order by adding ASC for ascending or DESC for descending order after each column. For example: SELECT * FROM table_name ORDER BY column1 ASC, column2 DESC; This query sorts the results by column1 in ascending order and column2 in descending order.

What is DESC index in SQL : MySQL supports descending indexes: DESC in an index definition is no longer ignored but causes storage of key values in descending order. Previously, indexes could be scanned in reverse order but at a performance penalty. A descending index can be scanned in forward order, which is more efficient.