f***r
发帖数: 13 | 1 Hello,
I would like to learn SQL online, does anyone have any suggestions on a good
online course? I googled and found many but am not sure which one is good.
I have some CS background but don't know SQL well.
Thanks! |
j*****n
发帖数: 1781 | 2 download SQL Server Books Online, it's free and all you need. |
B*****g
发帖数: 34098 | 3 what DB?
good
.
【在 f***r 的大作中提到】
: Hello,
: I would like to learn SQL online, does anyone have any suggestions on a good
: online course? I googled and found many but am not sure which one is good.
: I have some CS background but don't know SQL well.
: Thanks!
|
f***r
发帖数: 13 | 4 I am using Teradata, but if there is a good course on similar DB, that will be also very helpful.
Thank you!
发信人: Beijing (学什么都不如有绿卡), 信区: Database
标 题: Re: Any suggestions on online SQL courses?
发信站: BBS 未名空间站 (Mon Mar 9 11:53:07 2009)
what DB?
good
.
【在 f***r 的大作中提到】
: Hello,
: I would like to learn SQL online, does anyone have any suggestions on a good
: online course? I googled and found many but am not sure which one is good.
: I have some CS background but don't know SQL well.
: Thanks!
|
B*****g
发帖数: 34098 | 5 ask wyr
will be also very helpful.
【在 f***r 的大作中提到】
: I am using Teradata, but if there is a good course on similar DB, that will be also very helpful.
: Thank you!
: 发信人: Beijing (学什么都不如有绿卡), 信区: Database
: 标 题: Re: Any suggestions on online SQL courses?
: 发信站: BBS 未名空间站 (Mon Mar 9 11:53:07 2009)
: what DB?
:
: good
: .
|
f***r
发帖数: 13 | 6 Thank you, I have sent an email to wyr's mailbox.
【在 B*****g 的大作中提到】
: ask wyr
:
: will be also very helpful.
|
w*r
发帖数: 2421 | 7 The key benefit of Teradata is the natural parallelism build-in from storage
level to application level(SQL level). The fastest operation on Teradata in
terms of SQL query is single AMP operation based on primary index (the table
distribution key), the fastest join performed on teradata is hash-join based
on
pre-defined index.
Almost all operations in Teradata is hash-based. The proprietary hashing
algorithm is involved everywhere from data distribution to join strategy to
query re-write and que
【在 B*****g 的大作中提到】
: ask wyr
:
: will be also very helpful.
|
z***y
发帖数: 7151 | 8 teradata, 一有性能瓶颈就买硬件上啊。
CapitalOne 那样的能负担的起。
说道培训，多说几句：
1. 看书
2. 做实验
3. 看文档
4. 写总结
得有一个工作。得有一个师傅带着学，这样少走弯路。
还有，像疯狂的赛车手上的那两个连襟，要干一行爱一行，不然多行不义必自毙。 |
