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	<title>ä¸­å›½ç½‘ç»œ(86SQL.COM)ä¼ä¸šé‚®ä»¶ç³»ç»Ÿ &#187; inner join</title>
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			<item>
		<title>I am having an SQL INNER JOIN problem&#8230;?</title>
		<link>http://subeijihua.org/inner-join/i-am-having-an-sql-inner-join-problem</link>
		<comments>http://subeijihua.org/inner-join/i-am-having-an-sql-inner-join-problem#comments</comments>
		<pubDate>Sat, 13 Feb 2010 00:15:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/i-am-having-an-sql-inner-join-problem</guid>
		<description><![CDATA[I need some help!! I&#8217;m having trouble writing the script for an SQL query. I need to show the name and salary of all salespeople who do NOT have an order with a specific company. I think this is a RIGHT JOIN problem, but I need some assurance on that. I also need help with [...]]]></description>
			<content:encoded><![CDATA[<p>I need some help!! I&#8217;m having trouble writing the script for an SQL query. I need to show the name and salary of all salespeople who do NOT have an order with a specific company. I think this is a RIGHT JOIN problem, but I need some assurance on that. I also need help with the script. </p>
<p>Someone please help!!<br />
<br />You want to see personal info<br />
select personal_info.*, other_table_where_you_do_not_want_to_have_any_records.key_field<br />
from personal_info<br />
LEFT JOIN other_table_where_you_do_not_want_to_have_any_records<br />
ON &#8230;<br />
where &#8230;<br />
other_table_where_you_do_not_want_to_have_any_records.key_field is null</p>
<p>this last where clause will return records that do NOT have joined records in second table&#8230;</p>
<p>or</p>
<p>SELECT *<br />
FROM personal_info pi<br />
WHERE &#8230;<br />
    NOT EXISTS<br />
( SELECT *<br />
  FROM Holidays<br />
  WHERE key = pi.key<br />
)</p>
]]></content:encoded>
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		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Will having an inner left script tattoo on my arm affect me joining the marines?</title>
		<link>http://subeijihua.org/inner-join/will-having-an-inner-left-script-tattoo-on-my-arm-affect-me-joining-the-marines</link>
		<comments>http://subeijihua.org/inner-join/will-having-an-inner-left-script-tattoo-on-my-arm-affect-me-joining-the-marines#comments</comments>
		<pubDate>Mon, 18 Jan 2010 02:19:06 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

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		<description><![CDATA[
The Marine Tattoo Policy..  http://usmilitary.about.com/od/marines/a/tattoo.htm
Generally speaking it is BEST not to have any &#34;body art&#34;&#8230;..even when they let you in&#8230;..it can limit your assignments
]]></description>
			<content:encoded><![CDATA[<p>
<br />The Marine Tattoo Policy..  http://usmilitary.about.com/od/marines/a/tattoo.htm</p>
<p>Generally speaking it is BEST not to have any &quot;body art&quot;&#8230;..even when they let you in&#8230;..it can limit your assignments</p>
]]></content:encoded>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Can Someone tell me what the following SQl means?</title>
		<link>http://subeijihua.org/inner-join/can-someone-tell-me-what-the-following-sql-means</link>
		<comments>http://subeijihua.org/inner-join/can-someone-tell-me-what-the-following-sql-means#comments</comments>
		<pubDate>Thu, 14 Jan 2010 13:12:57 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/can-someone-tell-me-what-the-following-sql-means</guid>
		<description><![CDATA[SELECT DISTINCTROW DEPARTME.Dptno, DEPARTME.Department, Count(*) AS [Count Of EMPLOYEE]
FROM DEPARTME INNER JOIN EMPLOYEE ON DEPARTME.Dptno = EMPLOYEE.Dptno
GROUP BY DEPARTME.Dptno, DEPARTME.Department;
Also can anyone tell me what does DISTINCTROW and DISTINCTROW means?
Thanks
can someone tell me what does INNER JOIN mean?
DISTINCTROW omits data based on entire duplicate records, not just duplicate fields. 
So this query should return you [...]]]></description>
			<content:encoded><![CDATA[<p>SELECT DISTINCTROW DEPARTME.Dptno, DEPARTME.Department, Count(*) AS [Count Of EMPLOYEE]<br />
FROM DEPARTME INNER JOIN EMPLOYEE ON DEPARTME.Dptno = EMPLOYEE.Dptno<br />
GROUP BY DEPARTME.Dptno, DEPARTME.Department;</p>
<p>Also can anyone tell me what does DISTINCTROW and DISTINCTROW means?</p>
<p>Thanks<br />
can someone tell me what does INNER JOIN mean?<br />
<br />DISTINCTROW omits data based on entire duplicate records, not just duplicate fields. </p>
<p>So this query should return you all those departments that have at least one employee associated to them. If a department has no employees it will not show up in your result set. And it will not show details of these employees, only the total count of employees assuming this query works. I am not completely sure if it will though&#8230;</p>
]]></content:encoded>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Could I have tatoos and still be able to join the army (UK)?</title>
		<link>http://subeijihua.org/inner-join/could-i-have-tatoos-and-still-be-able-to-join-the-army-uk</link>
		<comments>http://subeijihua.org/inner-join/could-i-have-tatoos-and-still-be-able-to-join-the-army-uk#comments</comments>
		<pubDate>Thu, 24 Dec 2009 16:46:20 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/could-i-have-tatoos-and-still-be-able-to-join-the-army-uk</guid>
		<description><![CDATA[I&#8217;ve heard from friends that they may not let me join because of them, and I want to have ravens done on my shoulders, or considering runes down my forearm (inner elbow to wrist)
would I be accepted if I have these done?
As said, as long as they are not offensive, racist, etc, etc, etc.
As for [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve heard from friends that they may not let me join because of them, and I want to have ravens done on my shoulders, or considering runes down my forearm (inner elbow to wrist)<br />
would I be accepted if I have these done?<br />
<br />As said, as long as they are not offensive, racist, etc, etc, etc.</p>
<p>As for the one you plan to have from your &quot;Elbow to your Wrist&quot;&#8230;</p>
<p>&#8230;Ultimately err on the side of caution, and ensure the Tat finishes as high as possible (without ruining the original Tat) on your Fore-arms m8 <img src='http://subeijihua.org/wp-includes/images/smilies/icon_surprised.gif' alt=':o' class='wp-smiley' /> )&#8230;.</p>
<p>&#8230;No Tattoo may be visible below the Wrist line, so ensure when you have it done, it finishes a good couple of inches above your Scaphoid Bone, as a rough guide.  </p>
<p>The regulations state that they must not be visible on the backs of, or any part of the hands and wrists whilst wearing a &quot;Long Sleeved Shirt&quot; in No.1 Dress Uniform.  Furthermore, obviously non that are visible above the neckline of a &quot;Collared Shirt&quot;.  So no Tat&#8217;s on your Neck, Head or Face!!!</p>
<p>I have several, one on my right fore-arm, they were never a problem with ONE exception LOL&#8230;..</p>
<p>&#8230;You may find that if you have a new Tattoo completed whilst serving, the Dentists may insist on you having a blood test before they will treat you too.</p>
<p>I served in the R.A.F., and the Dentists questionnaire you complete prior to any treatment specifically asks if you have had any new Tattoo&#8217;s (hard to believe, BUT I s*** you not lol).  Obviously the concern for them is the contraction of HIV, or Hepatitis, etc.</p>
<p>Good luck with your recruitment and if you make it, your career ;o)!</p>
]]></content:encoded>
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		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>SQL inner join and counting query?</title>
		<link>http://subeijihua.org/inner-join/sql-inner-join-and-counting-query</link>
		<comments>http://subeijihua.org/inner-join/sql-inner-join-and-counting-query#comments</comments>
		<pubDate>Sun, 29 Nov 2009 08:51:45 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/sql-inner-join-and-counting-query</guid>
		<description><![CDATA[How do I join 3 tables and display all the columns by using INNER JOIN and ON? 
How do I count the number of employees in a table where the employee does not have a middle initial? How do I write this condition? 
Can anyone help me with the syntax? I wrote different queries and [...]]]></description>
			<content:encoded><![CDATA[<p>How do I join 3 tables and display all the columns by using INNER JOIN and ON? </p>
<p>How do I count the number of employees in a table where the employee does not have a middle initial? How do I write this condition? </p>
<p>Can anyone help me with the syntax? I wrote different queries and always got syntax errors for them.</p>
<p>Thanks.<br />
<br />1.  select * from TableA<br />
inner join TableB<br />
on a.Field = b.Field and a.Field2 = b.Field2<br />
inner join TableC<br />
on b.FieldC = c.FieldC<br />
GO</p>
<p>2.  Select count(*) from Employees<br />
where isnull(MiddleInitial,&#8221;) = &#8221;<br />
GO</p>
]]></content:encoded>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>How can I maximize my potential during a job search?</title>
		<link>http://subeijihua.org/inner-join/how-can-i-maximize-my-potential-during-a-job-search</link>
		<comments>http://subeijihua.org/inner-join/how-can-i-maximize-my-potential-during-a-job-search#comments</comments>
		<pubDate>Tue, 17 Nov 2009 10:47:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/how-can-i-maximize-my-potential-during-a-job-search</guid>
		<description><![CDATA[I&#8217;ve been busting my butt for some time now gaining the experience I need to get a good paying marketing job but can&#8217;t seem to get a fair shake anywhere. I can only re-write my resume so many times before it becomes a moot point. 
I&#8217;m done &#34;paying dues&#34; I want to get paid for [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve been busting my butt for some time now gaining the experience I need to get a good paying marketing job but can&#8217;t seem to get a fair shake anywhere. I can only re-write my resume so many times before it becomes a moot point. </p>
<p>I&#8217;m done &quot;paying dues&quot; I want to get paid for the time and effort I put into my work but I can&#8217;t seem to catch a break anywhere I look. Am I going about this the wrong way or is there just an inner circle of success I&#8217;m not privileged enough to join?<br />
<br />Are you distributing your resume in different formats?   &#8211;   Remember that many businesses seek MULTI-MILLIONS of resumes; most of which do not &quot;fit their openings&quot; by the word.&quot;<br />
What many successful job applicants do is not only revise their resumes and applications but submit multiple formats of their resumes and applications throughout their regions.</p>
<p>Consider reformatting your resume in three basic formats; General, Specific, and Targeted.</p>
<p>%A General format explains your overall job skills.<br />
%A Specific format explains how these skills can best benefit the position you are seeking.<br />
%A Targeted format explains how your skills and training best match the requirements of the position you are seeking.<br />
I have seen many firms use a TEXT-SCANNER to pick out specific key words in a resume and trash those resumes and applications that do not contain a set of key-words in them.<br />
Yes, this is impersonal, but consider again the multi-millions of resumes and applications each firm has to sort through in order to find &quot;an applicant.&quot;</p>
<p>I have also seen what are called &quot;J.I.S.T. cards.&quot;  &#8211;  This is<br />
Job<br />
Information<br />
Searching and<br />
Training<br />
cards that explain &quot;the bare basics&quot; of an applicant&#8217;s skills.  &#8211;  This does prove it&#8217;s value in many positions, rather than gettiing bogged down in details.</p>
]]></content:encoded>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Why does this error show up when I try accesing a website?</title>
		<link>http://subeijihua.org/inner-join/why-does-this-error-show-up-when-i-try-accesing-a-website</link>
		<comments>http://subeijihua.org/inner-join/why-does-this-error-show-up-when-i-try-accesing-a-website#comments</comments>
		<pubDate>Sat, 14 Nov 2009 06:17:57 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/why-does-this-error-show-up-when-i-try-accesing-a-website</guid>
		<description><![CDATA[Fatal error: Can&#8217;t open file: &#8217;sessions.MYI&#8217; (errno: 145) query: SELECT u.*, s.* FROM users u INNER JOIN sessions s ON u.uid = s.uid WHERE s.sid = &#8216;e42abe1c0b978a103ede0a1449238417&#8242; AND u.status &#60; 3 LIMIT 0, 1 in /usr/local/www/muchmusic/includes/database.mysql.inc on line 66
&#8230;&#8230;it only shows when I try going to a certain website
well error code 145 means &#34;The directory [...]]]></description>
			<content:encoded><![CDATA[<p>Fatal error: Can&#8217;t open file: &#8217;sessions.MYI&#8217; (errno: 145) query: SELECT u.*, s.* FROM users u INNER JOIN sessions s ON u.uid = s.uid WHERE s.sid = &#8216;e42abe1c0b978a103ede0a1449238417&#8242; AND u.status &lt; 3 LIMIT 0, 1 in /usr/local/www/muchmusic/includes/database.mysql.inc on line 66</p>
<p>&#8230;&#8230;it only shows when I try going to a certain website<br />
<br />well error code 145 means &quot;The directory is not empty&quot;, but the error looks like it&#8217;s a problem with the coding on the much music website. </p>
<p>Try deleting your internet history and your cookies. In Internet explorer go to: Tools&gt;Internet Options and click the &quot;General&quot; tab. Then just click the &quot;Delete cookies&quot; &quot;Delete Files&quot; and &quot;Clear History&quot; buttons.</p>
]]></content:encoded>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>i want to update a table with a field name rate 1 from another table&#8217;s fields using average function?</title>
		<link>http://subeijihua.org/inner-join/i-want-to-update-a-table-with-a-field-name-rate-1-from-another-tables-fields-using-average-function</link>
		<comments>http://subeijihua.org/inner-join/i-want-to-update-a-table-with-a-field-name-rate-1-from-another-tables-fields-using-average-function#comments</comments>
		<pubDate>Wed, 11 Nov 2009 11:59:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/i-want-to-update-a-table-with-a-field-name-rate-1-from-another-tables-fields-using-average-function</guid>
		<description><![CDATA[table A
sr_no                             provider_id                  rating
1       [...]]]></description>
			<content:encoded><![CDATA[<p>table A<br />
sr_no                             provider_id                  rating<br />
1                                       a                null<br />
2                                       b                null<br />
3                       c                null</p>
<p>table B<br />
sr_no                    provider_id                   rating<br />
1                            a                        1<br />
2                            b                        2<br />
3                            c                        3<br />
4                            a                        1<br />
5                                   b                        2<br />
6                             c                        3<br />
7                             a                        1<br />
8                             b                        2<br />
9                             c                        3<br />
10                             a                        1<br />
11                             b                        2<br />
12                             c                        3</p>
<p>please solve my problem<br />
thank you<br />
i want to find the average of each provider from table B and update in the rating column of table A<br />
the query that i wrote and doesn&#8217;t work is as follows:</p>
<p>update table A<br />
set rating = (select avg(rating) from table group by provider_id)<br />
FROM       table A INNER JOIN<br />
                      table B ON table A.Provider_id = table B.Provider_id<br />
<br />This should work</p>
<p>UPDATE [TABLE A]<br />
SET Rating = AvgRating<br />
FROM [TABLE A] INNER JOIN<br />
(<br />
SELECT<br />
Provider_id,<br />
AVG(Rating) AvgRating<br />
FROM<br />
[TABLE B]<br />
GROUP BY<br />
Provider_id<br />
) Averages<br />
ON [TABLE A].Provider_id = Averages.Provider_id</p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>what should i study to join the fbi, cia, or nsa?</title>
		<link>http://subeijihua.org/inner-join/what-should-i-study-to-join-the-fbi-cia-or-nsa</link>
		<comments>http://subeijihua.org/inner-join/what-should-i-study-to-join-the-fbi-cia-or-nsa#comments</comments>
		<pubDate>Sun, 08 Nov 2009 16:17:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/what-should-i-study-to-join-the-fbi-cia-or-nsa</guid>
		<description><![CDATA[ever since i was a little kid, i have been fascinated by the inner workings of the government. today, i am still fascinated with this, but i also love writing code for computers. i was wondering if these three branches have a computer section that i could work in. if so, what should i study [...]]]></description>
			<content:encoded><![CDATA[<p>ever since i was a little kid, i have been fascinated by the inner workings of the government. today, i am still fascinated with this, but i also love writing code for computers. i was wondering if these three branches have a computer section that i could work in. if so, what should i study in college, what are the salaries, and where are they based? i just got a scheduling paper to fill out for next year&#8217;s classes which made me wonder what exactly i should apply for, both in high school and in college. thanks!<br />
oh, one more thing i forgot to add. is there any way to do an internship? maybe like&#8230; over the summer or after school or something?<br />
<br />With regards to the gentleman&#8217;s post indicating that you have to be a law school grad to be an FBI agent&#8230;that is most decidedly NOT true.  </p>
<p>It is ONE way to get into the FBI, but not the only way.</p>
<p>Anyway.  Moving on.  </p>
<p>First of all, what you need to do is study.  Hard.  Really, really hard.  The competition for those jobs is even worse than the competition to get into Harvard or Stanford.  You need to be the best of the best to even get a sniff&#8230;and even then, nothing is guaranteed.</p>
<p>Second, you need to keep your nose clean, so to speak.  No getting in trouble.  No getting arrested.  No drugs.  No fighting.  None of that stuff.  The background check for jobs like you&#8217;re interested in is rigorous, to say the least.  Any crimes or &quot;indescretions&quot; in your past will be found out and brought against you&#8230;especially if they&#8217;re charges involving &quot;dishonesty&quot;, such as academic cheating or getting caught using a fake ID.   </p>
<p>As far as what you should study, math and science are key.  If you&#8217;re not good at those things, consider accounting or the law school route. </p>
<p>For salaries, it varies.  For 2007, figure a starting salary of around $46,500 for a first-year FBI agent.  Pretty much the same for CIA/NSA postings.</p>
<p>For geographics, most CIA/NSA jobs are based in and around the Washington, DC/Langley, VA area.  The FBI headquarters and training grounds are in Quantico, VA&#8230;but you could be posted anywhere around the country&#8230;even around the world.</p>
<p>Hope this helps&#8230;</p>
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		<slash:comments>6</slash:comments>
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		<item>
		<title>inner outer left right full joins&#8212;Oracle?</title>
		<link>http://subeijihua.org/inner-join/inner-outer-left-right-full-joins-oracle</link>
		<comments>http://subeijihua.org/inner-join/inner-outer-left-right-full-joins-oracle#comments</comments>
		<pubDate>Thu, 05 Nov 2009 18:34:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[inner join]]></category>

		<guid isPermaLink="false">http://subeijihua.org/inner-join/inner-outer-left-right-full-joins-oracle</guid>
		<description><![CDATA[Can anyone help me understand what the purpose of these types of joins are? I can find plenty of examples but no where explaining why I would use these joins instead of the = (equals) sign for linking tables.
Thank you
If by &#34;use equals sign&#34; you mean something like &#34;select t1.*,t2.* where t1.f1 = t2.f2&#34; then [...]]]></description>
			<content:encoded><![CDATA[<p>Can anyone help me understand what the purpose of these types of joins are? I can find plenty of examples but no where explaining why I would use these joins instead of the = (equals) sign for linking tables.</p>
<p>Thank you<br />
<br />If by &quot;use equals sign&quot; you mean something like &quot;select t1.*,t2.* where t1.f1 = t2.f2&quot; then that IS a join, it&#8217;s just another way of expressing it.</p>
<p>The main difference between different kinds of join is whether you want values from one table even if the corresponding key does not exist in the other table.</p>
<p>Wikipedia has quite a good page on the subject:<br />
http://en.wikipedia.org/wiki/Database_join</p>
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