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? YKylin官方案例表简要说明KYLIN_SALES 事实表字段详解:KYLIN_CATEGORY_GROUPINGS主要字段:KYLIN_CATEGORY_GROUPINGS 对外连接关系:KYLIN_CATEGORY_GROUPINGS 主要字段解释:KYLIN_COUNTRY 主要字段详解:KYLIN_ACCOUNT 主要字段详解:雪花模型关系总览:Kylin 官方模型 model关系图如下:第一步:雪花和星型模型,建立inner join关系,重要的是确定字段关联,对于角色维度(KYLIN_ACCOUNT和KYLIN_COUNTRY),需要别名处理。 C
在未来,Apache Kylin还有可能为特定场景、特定类型的维度量身定制特别的编码方式,如在很多行业,身份证号码可能是一个重要的维度。但是身份证号码由于其特殊性而不能使用整数类型的编码(身份证号码的最后一位可能是X),其高基数的特点也决定了其不能使用Dict编码,在目前的版本中只能使用Fixed_length编码,但显然Fixed_length不能充分利用身份证号码中大部分字节是数字的特性来进行深度编码,因此存在一定程度的存储空间的浪费。 N
减小了事实表的大小;
便于维度的管理和维护,增加、删除和修改维度的属性时,不必对事实表的大量记录进行改动;
维度表可以为多个事实表同时使用,减少重复工作。
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,所有曾经登录过《西楚霸王》的网易通行证帐号,玩家将可以使用该帐号到网易公司《新倩女幽魂》游戏中获得如下福利: K
联合维度(Joint Dimension) V M887300香港老奇人
铮? A
F强制维度(Mandatory Dimensions):指的是那些总是会出现在Where条件或 Group By语句里的维度。通过指定某个维度为强制维度,Apache Kylin可以不预计算那些不包含此维度的Cuboid,从而减少计算量。 L
星形模型与雪花模型是最为常用的数据模型; F
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高效OLAP分析:铮? W
218219四海图库看图
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BI(Business Intelligence),即商务智能,是指用现代数据仓库技术、在线分析技术、数据挖掘和数据展现技术进行数据分析以实现商业价值。 L
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CUL, Byron.
----- Original Message ----- From: "Garey Barrell" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, April 29, 2008 1:46 PM
Subject: Re: [drakelist] TR-4 TX Hang-Up
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压缩信息存储空间;
提高扫描效率,减少解析开销。
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皇家戏台
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LSlowly I started acquiring tickets from various teams through mini plans and season tickets. What I learned is try to make a little money on the regular season and then pray, and I mean pray that the team makes a deep playoff run. After years, and a much larger bank roll, I was able to learn the art of profiting from sports tickets. H
铮?H六合宝典
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コツを掴んできたね W
铮?W在 EMR5.8+ 环境下可能会出现此类错误,这是一个已经解决的 issue,并且已经在 Kylin 2.3.0 修复。具体细节请参考: I
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BProperty search on app has never been easier. A clean design & innovative features make apartment search easy on the Housing app. Whether you are looking for owner or broker properties for rent or sale, all you need to do is fire up this property finder app. X
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例如图中,输入的是彩色RGB图像,那么输入的maps volume由红,黄,蓝三通道/三种map构成。我们之所以用input map volume这个词来形容,是因为对于多通道图像输入图像实际上是由高度,宽度,深度三种信息构成,可以被形象理解为一种"体积"。这里的“深度”,在RGB中就是3,红,黄,蓝三种颜色构成的图像,在灰度图像中,就是1。铮?? A
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Ron / WB4HFN
-------------- Original message --------------
From: Garey Barrell <[EMAIL PROTECTED]>
>
> Garey Barrell made an utterance to the drakelist gang
> ----------------------------------------------------------------------
> Byron -
>
> OK. Relays take more coil current to "pull in" than they do to "hold
> in". It takes a certain amount of current through the coil (pull) to
> drag the armature from it's non-energized position to the energized
> position. It takes much less current to (hold) it once there, so slight
> leakage might NOT be sufficient to pull, but more than enough to hold.
>
> I don't know of any good way to touch up the panels. The original
> "paint" is so thin, (I actually think it is more a dye (anodize?) than
> paint, but don't know for sure,) and as a result any sort of paint ends
> up looking worse than the mark! For a small mark or two, it might be
> possible to just "fill" the mark to the level of the panel, but a string
> of numbers would be a real challenge. Never could understand people
> that do that sort of thing, especially on the front panel!!
>
> I just saw your order. There are scans of both the 34-NB and the 34-PNB
> manuals, with quite a bit of information, plus I have added a photograph
> of the board itself with active components and alignment info
> annotated. There is also a Voltage table for the NB, which has not been
> previously published. It's really a straightforward design, and most
> units in the field benefit from an alignment.
>
> A lot of the components are common between the TR-3 and TR-4, but every
> once in a while they threw in a curve like that cap to keep us off
> balance! :-)
>
> Your CDs will go out tomorrow. Thank you!
>
> 73, Garey - K4OAH
> Glen Allen, VA
>
> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
>
>
>
>
> Byron Tatum wrote:
> >
> > "Byron Tatum" made an utterance to the drakelist gang
> > ----------------------------------------------------------------------
> > Hey Garey-
> > Thank you for the comments and help. I start nights at work and
> > will have several to complete, then I will get back into the TR-4. I
> > will measure voltage as you suggest, looking for a slight voltage
> > drop. Then I will check out relay itself.
> > I am beginning to think that it is the magnetizing of pole piece
> > and relay wear that is the problem. If it was a leakage to ground on
> > the 6EV7 pin #1 lead you might think the set would go into TX on its
> > own (relay energize) every now and then, of which I have never saw it do.
> > One other thing- I bought a nice TR-4 from a fellow, based on
> > several pictures, but the photo angles, due to glare, covered up (of
> > all things) a ham's DL # engraved on the front panel in tiny lettering
> > , immediately to the right of "TR-4" on front panel. Do you know of a
> > touch up paint that matches the darker grey of that front panel area?
> > I got the set for a decent price, it was nice and had the built in
> > NB, but had a problem (as advertised). I found T-9 to be burned out in
> > center area of coil form. I had a spare T-9 from a parts unit TR-3.
> > Thank goodness I opened up the TR-3 T-9 transformer before I installed
> > it -- it had a 56 pF cap in it that was not in the TR-4 T-9. Otherwise
> > the coils looked the same. Anyway, I clipped out the capacitor and all
> > went OK after the repair. That is not a fun repair for sure!!
> > CUL, Byron.
> > ----- Original Message ----- From: "Garey Barrell"
> > To:
> > Sent: Tuesday, April 29, 2008 1:46 PM
> > Subject: Re: [drakelist] TR-4 TX Hang-Up
> >
> >
> >> Byron -
> >>
> >> Well things were going well until you pulled the tube out of the
> >> socket! :-)
> >>
> >> There are a limited number of possibilities in that case. The relay
> >> coil leads go through the feedthrough bypass caps _under_ the power
> >> connector. Of course the relay lead to the 6EV7 is the one UNDER the
> >> Jones connector, the last one in the "arc" of feedthroughs there.
> >> (C92) There are no more components between this feedthrough and the
> >> 6EV7 tube socket. The other relay coil lead goes directly the +250V bus
> >> via the next feedthrough cap along the arc, (C91). So the voltage
> >> measured at the tube socket pin with the tube out should be exactly the
> >> same as the +250V bus. Any drop would indicate leakage. See attached
> >> photo from my CD (at reduced resolution).
> >>
> >> So..... Leaky C92, leaky tube socket, pinched wire. One possibility I
> >> have seen a few times is the "down" stop on the relay gets hammered down
> >> over the years, allowing the armature to actually touch the pole piece
> >> of the coil. The pole piece is slightly magnetized, and if the armature
> >> physically is in contact with it, it will "stick". An easy check is to
> >> slip a piece of paper in to prevent metal to metal contact between the
> >> two. The "down" stop can be bent back up to prevent this contact.
> >>
> >> Let us know what you find!!
> >>
> >> 73, Garey - K4OAH
> >> Glen Allen, VA
> >>
> >> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
> >>
> >>
> >>
> >>
> >> Byron Tatum wrote:
> >>> Hello-
> >>> I have an unusual problem perhaps someone could shed some light on:
> >>> I have a TR-4 in 29K serial range that functions normally
> >>> except it will not go back into receive, until after approx 30 second
> >>> delay, after the mic button is released or the function switch turned
> >>> back to "SSB". This condition worsens (longer delay) the more you
> >>> frequently you transmit. The sidetone disappears but T-R relay will
> >>> not release.
> >>> I have tried different known-good 6EV7 tubes, have replaced a lot
> >>> of the coupling / bypass caps in T-R circuits, did resistance /
> >>> voltage checks, adjusted the VOX / VOX delay controls, tried other
> >>> tubes in T-R circuit, etc. to no avail.
> >>> What is real curious about this is that while waiting for it to go
> >>> back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
> >>> ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
> >>> is with the lead that goes from T-R relay coil to pin #1 on 6EV7
> >>> (somehow allowing enough leakage to ground?) or could it be the T-R
> >>> relay coil itself I made sure socket / pins and all are clean on
> >>> 6EV7.
> >>> Any help appreciated, thanks.
> >>> Perplexed,
> >>> Byron WA5THJ.
> >>>
> >>
> >
> >
> > ----------------------------------------------------------------------
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> > Zerobeat Web Page: - sponsored by
> > ----------------------------------------------------------------------
> >
> >
>
> ----------------------------------------------------------------------
> Submissions: [EMAIL PROTECTED]
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