DDL什么意思？

The model consists of four layers - DDL, DML, DPL and CL.该模型分为数据定义层DDL、 数据操纵层DML 、 数据显示层DPL和控制层CL四层, 这里重点阐述了DDL和DML层.Note that supplying connection information does not initiate data definition language ( DDL ) generatio...

The model consists of four layers - DDL, DML, DPL and CL.该模型分为数据定义层DDL、 数据操纵层DML 、 数据显示层DPL和控制层CL四层, 这里重点阐述了DDL和DML层.Availability of database definition language ( DDL ) and database manipulation language ( DML ) in DAO ...

DDL的音标：...

Wyatt的音标：Wyatt的英式发音音标为：['waiət]Wyatt的美式发音音标为：['waɪət]...

最后介绍了一种新型的立体成像器的设计.Lastly a design of new stereoscope is introduced....

The competitors cantered into the arena to conclude the closing ceremony.选手们慢跑进入竞技场，为闭幕式画上了句号。The horse cantered along the sandy path.那匹马沿着沙路慢跑.She cantered her horse down the street.她策马慢跑沿大街而去....

n.单簧管或竖笛吹奏者。( clarinettist的名词复数 )...

n.嫌恶( abomination的名词复数 )，深恶痛绝，令人憎恶的人或事物，可憎恶的或卑劣的习惯或行为...

The era of the backwoods rube is gone.落后地区乡巴佬的时代已成过去.You must not carry on as if you had just come from the backwoods.你的行动决不能象你刚从边远地区来似的.Search deep in the woods for a score of 350 on Bruno's Backwoods Breakaway.现在就...

Assembly language programming, low level data structures , introduction to operating systems , and compilers microprogramming, pipelining.汇编语言程序设计, 低层数据结构, 操作系统导论和编译器.We can see evidence of the compilers groping towards ...

n.峡谷( canyon的名词复数 )...

“焚尸炉”的拼音为：fén shī lú...

v.大声讲或读( dictate的现在分词 )，口授，支配，摆布...

He emerged from the dark recesses of the garage.他从车库的暗处走出来。From the recesses of his coat Richard produced a bottle of champagne.理查德从大衣里面掏出了一瓶香槟。I could see the inmost recesses.我能看见最深处....

n.唇炎...

pertain to的音标：pertain to的英式发音音标为：[pə'tein tu:]pertain to的美式发音音标为：[pɚ'ten tu]...

customsplant的音标：customsplant的英式发音音标为：['kʌstəmz'plɑ:nt]customsplant的美式发音音标为：['kʌstəmz'plɑnt]...

旧时一些有名的巫师经常以祭品祈求他们所供奉神灵的助佑。The great magicians of old always invoked their gods with sacrifice.那时他就像沙漫教的巫师, 她最初的判断是对的.He had seemed shamanlike then, and her original judgment was correct.教会将灵媒巫师和自称能和死者交谈的人都视为异端。The Churc...