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I can't seem to set ":1,$s/^M//g" in the .exrc file how? Thanks.

thanks. is this a vi setup file? any manuals there?

how to show line number at the very beginning? I mean without :set nu each time I open the file.

as I know oracle have 3 kinds of joins methods. hash, nested loop, sort merge joins. I have no idea about the differences. any comments, articles are welcomed. Thanks.

The code instuctors in my project, say I need default constructors. but I don't know why. As I know the default constructors are automatically added and compiled by the jvm unless any constructors other than default constructor exist. if default constructor is not there, and I use the default...

Thanks a million

"it can be rather useful to generate a desired number of rows in the case where the number or rows does not relate the number or rows from the table from which you are attempting to SELECT:" I haven't met the situation before. Thanks.

what's for this type of query? select level from dual connect by level <= 10 in what situation this can be used? Thanks.

Thanks. Let me check.

FOP(http://www.javaworld.com/javaworld/jw-04-2006/jw-0410-html.html?page=3) can convert html to pdf. but the source above I can't seem to reach DocumentInputSource and Driver class even though all the library from apache fop jar files(fop-0.94-bin-jdk1.4)

I have to transfer data from oracle 9i to oracle 10g. objects, for examples tables, there are differences between the old schema in 9i and the new schema in 10g, some tables are divided, and some are merged. as you might guess, making scripts are very cumbersome jobs. I need tools or utilities...

Thanks.

yes it did. thanks. btw, any ideas only with sql not pl/sql?

what I mean by "remove duplicates" is if emp_no's are referenced somewhere else, they should not appear again. so 24 lee 25 ki 493 493 mun 26 kim 27 cho 506 506 um 28 kang 430 430 kang 29 kim 30 park 31 park 420 420 kim 812 812 bai 420 kim 812 X 812 bai X 430 kang X 493 mun X 506...

the below won't work either. select level,emp_no,LPAD(' ', LEVEL * 3) ||emp_name,ref_emp_no from tbl_emp start with emp_no not in (select ref_emp_no from tbl_emp) connect by prior ref_emp_no = emp_no

in the query below how to surpress last six rows(they are duplicate)? drop table tbl_emp; create table tbl_emp( emp_no varchar2(20), emp_name varchar2(20), ref_emp_no varchar2(20) ); insert into tbl_emp(emp_no,emp_name,ref_emp_no) values('677','cho',''); insert into...

how to retrieve oracle constraints definitions? like pk, fk, not null, default etc. Thanks

how to read write ms word files. thanks.

API says about getInputStream() of HttpServletRequest is like this. Retrieves the body of the request as binary data using a ServletInputStream. then request is composed of headers and body. and body is composed of parameters and their values. and headers can be viewed with...

API says about getInputStream() is like this. Retrieves the body of the request as binary data using a ServletInputStream. then request is composed of headers and body. and body is composed of parameters and their values. and headers can be viewed with getHeaders(java.lang.String name) and...