What is the JSp equivalent method for PHP isset function

Hai guys,
can u tell me the JSP equivalent method for PHP isset function.

isset checks what? parameters?
if(request.getParameter("paramname") != null) {

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What is the Oracle equivalent of the Microsoft Access FIRST function?

Using: Oracle 10gR2 RAC on SUSE Linux 9 (10.2.0.3)
In the process of converting a Microsoft Access database to Oracle, an Access query is using the FIRST function.
What is the Oracle equivalent of the Microsoft Access FIRST function?
In the attempt to convert, the Oracle FIRST_VALUE function was used. However, the same results was not achieved.
Thanks,
(BLL)
Query:
h2. ACCESS:
SELECT
     TRE.GCUSNO,
     UCASE([DCUSNO]) AS DCUSNO_STD,
     *FIRST(UCASE([DNAME])) AS DNAME_STD*,
     *FIRST(UCASE([DADDR])) AS DADDR_STD*,
     *FIRST(UCASE([DCITY])) AS DCITY_STD*,
     TRE.DSTATE,
     FIRST(TRE.DZIP) AS DZIP,
     TRE.DREGN,
     TRE.DDIST,
     TRE.DSLSMN,
     TRE.DCHAIN,
     TRE.MARKET,
     TRE.MKTPGM,
     TRE.EUMKT
FROM
     TRE
GROUP BY
     TRE.GCUSNO,
     UCASE([DCUSNO]),
     TRE.DSTATE,
     TRE.DREGN,
     TRE.DDIST,
     TRE.DSLSMN,
     TRE.DCHAIN,
     TRE.MARKET,
     TRE.MKTPGM,
     TRE.EUMKT;
h2. ORACLE:
SELECT DISTINCT
TRE.GCUSNO,
UPPER(TRIM(TRE.DCUSNO)) AS DCUSNO_STD,
UPPER(TRIM(TRE.DNAME)) AS DNAME_STD,
UPPER(TRIM(TRE.DADDR)) AS DADDR_STD,
     FIRST_VALUE(UPPER(TRIM(TRE.DNAME)) IGNORE NULLS) OVER (ORDER BY TRE.GCUSNO) AS DNAME_STD,
     FIRST_VALUE(UPPER(TRIM(TRE.DADDR)) IGNORE NULLS) OVER (ORDER BY TRE.GCUSNO) AS DADDR_STD,
     FIRST_VALUE(UPPER(TRIM(TRE.DCITY)) IGNORE NULLS) OVER (ORDER BY TRE.GCUSNO) AS DCITY_STD,
TRE.DSTATE,
TRE.DZIP,
FIRST_VALUE(UPPER(TRIM(TRE.DZIP)) IGNORE NULLS) OVER (ORDER BY TRE.DZIP ASC) AS DZIP,
TRE.DREGN,
TRE.DDIST,
TRE.DSLSMN,
TRE.DCHAIN,
TRE.MARKET,
TRE.MKTPGM,
TRE.EUMKT
FROM CRM.TREUP100R TRE
GROUP BY
TRE.GCUSNO,
UPPER(TRIM(TRE.DCUSNO)),
TRE.DNAME,
TRE.DADDR,
TRE.DCITY,
TRE.DSTATE,
TRE.DZIP,
TRE.DREGN,
TRE.DDIST,
TRE.DSLSMN,
TRE.DCHAIN,
TRE.MARKET,
TRE.MKTPGM,
TRE.EUMKT;

A slight correction to odie's post. I think you want min not max to replicate the Access first function, but see below to be sure. So:
min(upper(trim(tre.dname))) keep (dense_rank first order by tre.gcusno) as dname_std
user10860953 wrote:How does one ignore null values?The min and max functions will ignore nulls automatically, so if there is a null value in tre.dname, it will not be be returned, unless all of the values are null. For example:
SQL> WITH t AS (
2     SELECT 65 id, 'ABCD' col FROM dual UNION ALL
3     SELECT 37, 'DEFG' FROM dual UNION ALL
4     SELECT 65, 'DEFG' FROM dual UNION ALL
5     SELECT 65, null FROM dual UNION ALL
6     SELECT 70, null FROM dual UNION ALL
7     SELECT 70, null FROM dual UNION ALL
8     SELECT 37, 'ABC' from dual)
9 SELECT id,
10         MIN(col) keep (DENSE_RANK FIRST ORDER BY id) min_dname_std,
11         MAX(col) keep (DENSE_RANK FIRST ORDER BY id) max_dname_std
12 FROM t
13 GROUP BY id;
        ID MIN_ MAX_
        37 ABC DEFG
        65 ABCD DEFG
        70John

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WHAT IS THE BEST ANTIVIRUS SOFTWARE FOR OSX YOSEMITE?

Here are some more thoughts to consider.
There will always be threats to your information security associated with using any Internet - connected communications tool:
You can mitigate those threats by following commonsense practices
Delegating that responsibility to software is an ineffective defense
Assuming that any product will protect you from those threats is a hazardous attitude that is likely to result in neglecting point #1 above.
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A much better question is "how should I protect my Mac":
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Never install pirated or "cracked" software, software obtained from dubious websites, or other questionable sources.
Illegally obtained software is almost certain to contain malware.
"Questionable sources" include but are not limited to spontaneously appearing web pages or popups, download hosting sites such as C net dot com, Softonic dot com, Soft pedia dot com, Download dot com, Mac Update dot com, or any other site whose revenue is primarily derived from junk product advertisements.
If you need to install software that isn't available from the Mac App Store, obtain it only from legitimate sources authorized by the software's developer.
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Don’t open email attachments from email addresses that you do not recognize, or click links contained in an email:
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Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
Apple will never ask you to reveal personal information in an email. If you receive an unexpected email from Apple saying your account will be closed unless you take immediate action, just ignore it. If your iCloud, iTunes, or App Store account becomes disabled for valid reasons, you will know when you try to buy something or log in to this support site, and are unable to.
Don’t install browser extensions unless you understand their purpose. Go to the Safari menu > Preferences > Extensions. If you see any extensions that you do not recognize or understand, simply click the Uninstall button and they will be gone.
Don’t install Java unless you are certain that you need it:
Java, a non-Apple product, is a potential vector for malware. If you are required to use Java, be mindful of that possibility.
Java can be disabled in System Preferences.
Despite its name JavaScript is unrelated to Java. No malware can infect your Mac through JavaScript. It’s OK to leave it enabled.
Beware spontaneous popups: Safari menu > Preferences > Security > check "Block popup windows".
Popup windows are useful and required for some websites, but unsolicited popups are commonly used to deceive people into installing unwanted software they would never intentionally install.
Popups themselves cannot infect your Mac, but many contain resource-hungry code that will slow down Internet browsing.
If you ever receive a popup window indicating that your Mac is infected with some ick or that you won some prize, it is 100% fraudulent. Ignore it.
The same goes for a spontaneously appearing dialog insisting that you upgrade your video player right this instant. Such popups are frequently associated with sites that promise to deliver movies or other copyrighted content that is not normally "free".
The more insistent it is that you upgrade or install something, the more likely it is to be a scam. Close the window or tab and forget it.
Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
The most serious threat to your data security is phishing. Most of these attempts are pathetic and are easily recognized, but that hasn't stopped prominent public figures from recently succumbing to this age-old scam.
OS X viruses do not exist, but intentionally malicious or poorly written code, created by either nefarious or inept individuals, is nothing new.
Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
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What is the JSp equivalent method for PHP isset function

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