drop table t_theme; create table netbank.t_theme (id_theme serial not null , theme varchar(50), choice_num integer(4), choice1 varchar(50), choice2 varchar(50), choice3 varchar(50), choice4 varchar(50), choice5 varchar(50), choice6 varchar(50), standard_answer varchar(2), ); 如果要制定id_theme 为主键,,应该如何加? 多谢!
by yebinlei - Informix - 2005-09-05 13:06:15 阅读(1251) 回复(1)
when logining the www.hotmail.com under redhat linux, I am announced that it is necessory to install some "personal security manager". why? So, I down a piece of psm from Mozilla, but the messages still exist. :em16:
hi, everybody! currently i am using ADSL 256k broadband, if i want to setup a personal website in my PC, but i dont have the static IP address, how am i going to do with this task! can or cant? can anybody teach me, TIA!
设置hyperterminal为:VT100, 9600, 8, n, 1, xon (或hardware或none), 都无法连接Sun 280R。请大家指点。
I. Setup on PC II. Setup on PDA III. Setup pointbase on PDA I. Setup on PC. 1. Install PJEE Setup PJEE3_1-win-nonrom.exe to PC default is driver D:pjee3.1 2. Compile *.java file javac -bootclasspath d:pjee3.1libclasses.zip -target 1.1 filename.java 3. Run *.java file d:pjee3.1inpjava filename 4. if need swing: a. Take out Swing1.1.1 b. Find out javaxswingSwingUtilities.java ...
[quote]http://hqtech.nease.net/articles/VC_ConstructorThis.htm[/quote][code]某些人认为不应该在构造函数中使用this指针,因为这时this对象还没有完全形成。 但是,只要小心,是可以在构造函数中使用this指针的:[/code] 我对这句话不同意.因为我觉得this是在程序员能做任何事情之前就存在了的.但是你不能乱用它,而不是像这里说的"因为这时this对象还没有完全形成"我觉得是完全形成了.因为一个构造函数它的代码像是这样: str...