Alias Syntax

Feature Description: Sets the alias for the directive. Syntax: alias[alias]=[directive name] Supplemental Description: User can use alias, custom instruction aliases.　If you only enter an alias, you can list all current alias settings. The alias's effect only extends to the operation of the login. To automatically set aliases every time you log in, you can set an alias for the directive in. Profile or. cshrc. Parameters: If you do not add any arguments, list all current alias settings.

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The Windows PowerShell command prompt is a language that supports objects, and we can simply assign the result returned by the command to a variable, $files contains a collection of objects in the table of contents that are in the previous directory, and use the normal array access syntax to get the object at that location ....

Hive in the official document of the query language has a very detailed description, please refer to: http://wiki.apache.org/hadoop/Hive/LanguageManual, most of the content of this article is translated from this page, Some of the things that need to be noted during the use process are added. Create tablecreate [EXTERNAL] TABLE [IF not EXISTS] table_name [col_name data_t ...

The complete collection of SQL statement operations deserves to be permanently stored the following statements are part of the MSSQL statement and are not available in Access. SQL classification: ddl-data Definition language (create,alter,drop,declare) dml-Data Manipulation Language (Select,delete,update,insert) dcl-Data Control Language (Grant,revoke, Commit,rollback first, briefly introduce the basic statement: 1, Description: Create number ...

Show_source (PHP4) show_source---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Color syntax for displaying syntax strings: void Show_source (String filename) Description: Show_source () Use the syntax defined in PHP to display fil ...

Vm_addalias (PHP3, PHP4 <= 4.0.0) vm_addalias---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp ; Add alias syntax for virtual users: int Vm_addalias (String vdomain, String basepwd, String u ...)

We want to do not only write SQL, but also to do a good performance of the SQL, the following for the author to learn, extract, and summarized part of the information to share with you! (1) Select the most efficient table name order (valid only in the Rule-based optimizer): The ORACLE parser processes the table names in the FROM clause in Right-to-left order, and the last table in the FROM clause (the underlying table driving tables) is processed first, In the case where multiple tables are included in the FROM clause, you must select the table with the least number of records as the underlying table. If...

Sqlbuilder is a SQL build library that reduces the burden of generating SQL queries in Java programs. It uses a programming language (Java) to generate code (that is, SQL) for another language. It is characterized by encapsulating SQL syntax in lightweight, Easy-to-use Java objects, following a builder paradigm similar to StringBuilder. It can change many common SQL syntax and run-time errors to Java compile-time errors. A simple SQL SELECT embedded in a Java program ...

Vm_delalias (PHP3, PHP4 <= 4.0.0) vm_delalias---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp ; Remove alias syntax: int vm_delalias (String vdomain, String basepwd, string alias) ...

Arclist| Document List label name: Arclist Tags Introduction: Dream-weaving commonly used markers, also known as free list tags, where imglist, Imginfolist, Specart, Coolart, Autolist are alias tokens that are extended by the different attributes defined by the tag. Function Description: Get the specified document list scope: Global use basic syntax: {Dede:arclist&http://www.aliyun.com/zixun/aggrega ...