英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

arsenious    
a. 含砒素的;含砷;亚砷的

含砒素的;含砷;亚砷的

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • SQL Tutorial - W3Schools
    SQL is a standard language for storing, manipulating and retrieving data in databases Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems
  • Introduction to SQL - W3Schools
    What is SQL? SQL stands for Structured Query Language; SQL lets you access and manipulate databases; SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987
  • SQL Quick Reference - W3Schools
    SQL Statement Syntax; AND OR: SELECT column_name(s) FROM table_name WHERE condition AND|OR condition: ALTER TABLE: ALTER TABLE table_name ADD column_name datatype or ALTER TABLE table_name DROP COLUMN column_name: AS (alias) SELECT column_name AS column_alias FROM table_name or SELECT column_name FROM table_name AS table_alias: BETWEEN
  • MySQL Tutorial - W3Schools
    With our online MySQL editor, you can edit the SQL statements, and click on a button to view the result
  • SQL Syntax - W3Schools
    SQL Statements Most of the actions you need to perform on a database are done with SQL statements SQL statements consist of keywords that are easy to understand The following SQL statement returns all records from a table named "Customers":
  • MySQL SQL - W3Schools
    What is SQL? SQL is the standard language for dealing with Relational Databases SQL is used to insert, search, update, and delete database records
  • Introduction to MySQL - W3Schools
    MySQL is compliant with the ANSI SQL standard; MySQL was first released in 1995; MySQL is developed, distributed, and supported by Oracle Corporation; MySQL is named after co-founder Ulf Michael "Monty" Widenius's daughter: My
  • PostgreSQL Tutorial - W3Schools
    PostgreSQL supports both relational (SQL) and non-relational (JSON) queries PostgreSQL is free and open-source Start learning PostgreSQL now
  • MySQL RDBMS - Relational Database Management System - W3Schools
    RDBMS is the basis for all modern database systems such as MySQL, Microsoft SQL Server, Oracle, and Microsoft Access RDBMS uses SQL queries to access the data in the database
  • MySQL Syllabus (Curriculum) - W3Schools
    Understand basic SQL syntax and how to write queries Learn database operations like SELECT, INSERT, UPDATE, and DELETE Work with database and table structures using CREATE, DROP, and ALTER Understand advanced SQL operations like JOINs, UNION, and GROUP BY Handle NULL values and learn about constraints





中文字典-英文字典  2005-2009