alias syntax

How to make the user-defined command alias for Linux permanently effective. The alias (Chinese called "Alias") allows you to redefine the Shell command in Linux with a shorter name, simplifying the command line input. If you often deal with the

Brief descriptionIn Windows PowerShell, aliases are alternative names for cmdlets or other commands. Detailed descriptionAliases are cmdlet or commands (for example: functions, scripts, files, executables.) Alternative name, or a nickname. You can

SQL Alias syntax SELECT column_name (s) FROM table_name AS alias_name  Column SQL Alias syntax SELECT column_name AS alias_name FROM table_name  Alias instance: use the table name Alias Suppose we have two tables: "Persons" and "Product_Orders ". We

SELECT column_name (s) from table_name as Alias_name SELECT column_name as Alias_name from table_name Suppose we have two tables: "Persons" and "Product_orders" respectively. We assign them the alias "P" and "Po" respectively. Now, we want to

Basic tutorial on using table alias and field alias in MySQL, MySQL table Alias (Alias)SQL table aliasIn an SQL statement, you can specify an Alias (Alias) for the table name and field (column) name. The Alias is a standard SQL syntax and is

The alias command is used to set the name of the directive. We can use this command to simplify some of the longer commands. When using alias, the user must use single quotes ' to cause the original command to prevent special characters from causing

In Linux, you often need to switch directories, Which is troublesome. Then you think of the alias command, which can be used to convert a long command into a short command that we like. sort out the usage of this command for future

In a previous article, we mentioned that there can be a very convenient alias mechanism in PS, which is helpful for people familiar with other console shells to use ps. However, some of these problems are only So far, let's talk about this topic in

Detailed description of alias commands in linux: sets the alias of commands. Www.2cto.com syntax: alias [alias] [command name] parameter: If no parameter is added, all current alias settings are listed. Example: ermao @ lost-desktop :~ $ Alias...

Alias overview PHP5.3 + supports namespace. An important feature of a namespace is that you can use an alias (alias) to reference a name that complies with the rules. Namespace supports alias reference (or introduced) in the form of 3: class alias,