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Intelligence Bureau (IB) announced posts of Personal Assistant & Junior Intelligence Officer Grade-II / Tech jobs

<div dir="ltr" style="text-align: left;" trbidi="on"><h4 class="itemtitle" style="margin: 0px; padding: 0px;">Intelligence Bureau (IB) announced posts of Personal Assistant &amp; Junior Intelligence Officer Grade-II / Tech jobs</h4><h4 class="itemtitle" style="font-family: Helvetica, Arial, sans-serif; letter-spacing: -0.25px; margin: 0px; padding: 0px;"> </h4><h4 class="itemtitle" style="font-family: Helvetica, Arial, sans-serif; letter-spacing: -0.25px; margin: 0px; padding: 0px;">Intelligence Bureau (IB)</h4><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; line-height: 18.2px; overflow: hidden; width: 693px;">(Ministry of Home Affairs) Government of India    Recruitment to the posts of Personal Assistant & Junior Intelligence Officer Grade-II / Tech-2014  On-line applications are invited for the post of Personal Assistant and Junior Intelligence Officer Gr.II (Tech.) in the Intelligence Bureau, (Ministry of Home Affairs), Government of India : <a href="https://www.blogger.com/null" name="more"></a><ol style="list-style-image: initial; list-style-position: initial; margin: 0px 0px 1em; padding: 0px;"><li style="margin: 0px 0px 0.5em 2.4em; padding: 0px;">Personal Assistant (PA) : 42 posts (UR-13, OBC-8, SC-13, ST-8), Pay Scale : Rs.9300-34800 grade pay Rs. 4600/-</li><li style="margin: 0px 0px 0.5em 2.4em; padding: 0px;">Junior Intelligence Officer Grade-II/ Tech : 32 posts (UR-18, OBC-7, SC-5, ST-2), Pay Scale : Rs. 5200 - 20200 grade pay Rs.2400/-</li></ol>Age : 18-27 years  as on 02/06/2014.  How to Apply :  Apply Online at MHA website from 03/05/2014 to 02/06/2014 only. Please view http://mha.nic.in/sites/upload_files/mha/files/IBPAJIOOnlineAp_020514.pdf for all the details and a  link to apply Online</div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18.2px; overflow: hidden; width: 693px;"> </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivLcHcWMyYXAi1ttLJ_HV3QzWdcMHQRq_vXOu-pQoszFIR3sg1FHXeOKXCOsmE03xz91enia_mhViwIp3EcZtKw2-BPp7Gxi_Iq1kW19skwvmtFfgtsZ3Gp_TfsQTdNXh7S5_iba9NLg8/s1600/Job+openings.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="179" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivLcHcWMyYXAi1ttLJ_HV3QzWdcMHQRq_vXOu-pQoszFIR3sg1FHXeOKXCOsmE03xz91enia_mhViwIp3EcZtKw2-BPp7Gxi_Iq1kW19skwvmtFfgtsZ3Gp_TfsQTdNXh7S5_iba9NLg8/s1600/Job+openings.jpg" width="200" /></a></div> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJxFR35lO2brfW2w9Xztp7hTS0hPXA1rWKSOdXYRarrRzheGQd_ro0aRtbbJPChMi-mJcLoKIQrasPmHwuhq5emknywDkgB05x1EQ5Cn-G3zWUop_eUUHGD1HT3I1-o0GCa709N6jyIFQ/s1600/top-naukri-alert.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJxFR35lO2brfW2w9Xztp7hTS0hPXA1rWKSOdXYRarrRzheGQd_ro0aRtbbJPChMi-mJcLoKIQrasPmHwuhq5emknywDkgB05x1EQ5Cn-G3zWUop_eUUHGD1HT3I1-o0GCa709N6jyIFQ/s1600/top-naukri-alert.jpg" /></a></div><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: center;"><div dir="ltr" style="font-family: Helvetica, Arial, sans-serif; font-size: 14px; text-align: left;" trbidi="on">Jobklix provides you recruitment notifications only you should refer official website of related department. 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Intelligence Bureau (IB) announced posts of Personal Assistant & Junior Intelligence Officer Grade-II / Tech jobs

Intelligence Bureau (IB) announced posts of Personal Assistant & Junior Intelligence Officer Grade-II / Tech jobsIntelligence Bureau (IB)(Ministry of Home Affairs)Government of India Recruitment…

06 May 2014

16 Easy Quantitative Aptitude short tricks for all competitive exams with practice set Quiz test

<h2 style="text-align: left;">16 Easy Quantitative Aptitude short tricks for all competitive exams with practice set Quiz test</h2><div dir="ltr" style="text-align: left;" trbidi="on"> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEho7ouFlywNBb3wqwpJyK7NP3Sl-yv_teOSTKSaj1nktibYoiDnfW8SF6ShnsckMOE46MV-hQvX7fyJWis_MGw61aqqWk6BgeWlzWEe37dlWIQ70odvOx7aihVrWvwedgLC5cou5swzwLs/s1600/exam-tips.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEho7ouFlywNBb3wqwpJyK7NP3Sl-yv_teOSTKSaj1nktibYoiDnfW8SF6ShnsckMOE46MV-hQvX7fyJWis_MGw61aqqWk6BgeWlzWEe37dlWIQ70odvOx7aihVrWvwedgLC5cou5swzwLs/s1600/exam-tips.jpg" /></a></div><div class="separator" style="clear: both; text-align: center;"> </div>(1) Multiplication by 5 It's often more convenient instead of multiplying by 5 to multiply first by 10 and then divide by 2. For example, 137·5=1370/2=685. (2) Division by 5 Similarly, it's often more convenient instead to multiply first by 2 and then divide by 10. For example, 1375/5=2750/10=275. (3) Division/multiplication by 4 Replace either with a repeated operation by 2. For example 124/4=62/2=31. Also, 124·4=248·2=496. (4) Division/multiplication by 25 Use operations with 4 instead. For example, 37·25=3700/4=1850/2=925. (5) Division/multiplication by 8 Replace either with a repeated operation by 2. For example 124·8=248·4=496·2=992. (6) Division/multiplication by 125 Use operations with 8 instead. For example, 37·125=37000/8=18500/4=9250/2=4625. (7) Squaring two digit numbers. You should memorize the first 25 squares: <table border="1" cellpadding="0" class="MsoNormalTable" style="mso-cellspacing: 1.5pt; mso-padding-alt: 1.5pt 1.5pt 1.5pt 1.5pt; width: 100%px;"> <tbody><tr> <td style="padding: 1.5pt; width: 7%;" width="7%"> 1 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 2 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 3 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 4 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 5 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 6 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 7 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 8 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 9 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 10 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 11 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 12 </td> <td colspan="2" style="padding: 1.5pt; width: 8%;" width="8%"> 13 </td> <td style="padding: 1.5pt; width: 8%;" width="8%"> 14 </td> </tr><tr> <td style="padding: 1.5pt; width: 7%;" width="7%"> 1 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 2 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 9 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 16 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 25 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 36 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 49 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 64 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 81 </td> <td style="padding: 1.5pt; width: 7%;" width="7%"> 100 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 121 </td> <td colspan="2" style="padding: 1.5pt; width: 7%;" width="7%"> 144 </td> <td colspan="2" style="padding: 1.5pt; width: 8%;" width="8%"> 169 </td> <td style="padding: 1.5pt; width: 8%;" width="8%"> 196 </td> </tr><tr> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 15 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 16 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 17 </td> <td colspan="3" style="padding: 1.5pt; width: 9%;" width="9%"> 18 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 19 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 20 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 21 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 22 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 23 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 24 </td> <td colspan="2" style="padding: 1.5pt; width: 10%;" width="10%"> 25 </td> </tr><tr> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 225 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 256 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 289 </td> <td colspan="3" style="padding: 1.5pt; width: 9%;" width="9%"> 324 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 361 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 400 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 441 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 484 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 529 </td> <td colspan="2" style="padding: 1.5pt; width: 9%;" width="9%"> 576 </td> <td colspan="2" style="padding: 1.5pt; width: 10%;" width="10%"> 625 </td> </tr><tr height="0"> <td style="border: none;" width="52"></td> <td style="border: none;" width="16"></td> <td style="border: none;" width="37"></td> <td style="border: none;" width="30"></td> <td style="border: none;" width="23"></td> <td style="border: none;" width="44"></td> <td style="border: none;" width="9"></td> <td style="border: none;" width="51"></td> <td style="border: none;" width="9"></td> <td style="border: none;" width="44"></td> <td style="border: none;" width="23"></td> <td style="border: none;" width="30"></td> <td style="border: none;" width="37"></td> <td style="border: none;" width="16"></td> <td style="border: none;" width="51"></td> <td style="border: none;" width="51"></td> <td style="border: none;" width="16"></td> <td style="border: none;" width="37"></td> <td style="border: none;" width="30"></td> <td style="border: none;" width="23"></td> <td style="border: none;" width="44"></td> <td style="border: none;" width="16"></td> <td style="border: none;" width="59"></td> </tr></tbody></table><div class="MsoNormal"> </div><div style="margin-left: 0.5in; mso-list: l0 level1 lfo1; tab-stops: list .5in; text-indent: -0.25in;">·         Squares of numbers from 26 through 50. Let A be such a number. Subtract 25 from A to get x. Subtract x from 25 to get, say, a. Then A2=a2+100x. For example, if A=26, then x=1 and a=24. Hence 262=242+100=676. Similarly, if A=37, then x=37-25=12, and a=25-12=13. Therefore, 372=132+100·12=1200+169=1369. Why does this work? (25+x)2-(25-x)2=[(25+x)+(25-x)]·[(25+x)-(25-x)]=50·2x=100x. </div><div style="margin-left: 0.5in; mso-list: l0 level1 lfo1; tab-stops: list .5in; text-indent: -0.25in;">·         Squares of numbers from 51 through 99. The idea is the same as above. (50+x)2-(50-x)2=100·2x=200x. For example, 632=372+200·13= 1369+2600=3969. </div><div style="margin-left: 0.5in; mso-list: l0 level1 lfo1; tab-stops: list .5in; text-indent: -0.25in;">·         Squares of numbers from 51 through 99, second approach (this one was communicated to me by my father Moisey Bogomolny). We are looking to compute A2, where A=50+a. Instead compute 100·(25+a) and add a2. Example: 572. a=57-50=7. 25+7=32. Append 49=72. Answer: 572=3249. </div><div style="margin-left: 0.5in; mso-list: l0 level1 lfo1; tab-stops: list .5in; text-indent: -0.25in;">·         In general, a2 = (a + b)(a - b) + b2. Let a be 57 and, again, we wish to compute 572. Let b = 3. Then 572 = (57 + 3)(57 - 3) + 32, or 572 = 60·54 + 9 = 3240 + 9 = 3249. </div> (8) Squares of numbers that end with 5. Let A=10a+5. Then A2=(10a+5)2=100a2+2·10a·5+25=100a(a+1)+25. For example, to compute 1152, where a=11, first compute 11·(11+1)=11·12=132 (since 3=1+2). Next, append 25 to the right of 132 to get 13225! Another example, to compute 2452, let a=24. Then 24·(24+1)=242+24=576+24=600. Therefore 2452=60025. Here is another way to compute 24·25: 24·25=2400/4=1200/2=600. The rule naturally applies to 2-digit numbers as well. 752=5625 (since 7·8=56). (9) Product of two one-digit numbers greater than 5. This is a rule that helps remember a big part of the multiplication table. Assume you forgot the product 7·9. Do this. First find the access of each of the multiples over 5: it's 2 for 7 (7 - 5 = 2) and 4 for 9 (9 - 5 = 4). Add them up to get 6 = 2 + 4. Now find the complements of these two numbers to 5: it's 3 for 2 (5 - 2 = 3) and 1 for 4 (5 - 4 = 1). Remember their product 3 = 3·1. Lastly, combine thus obtained two numbers (6 and 3) as 63 = 6·10 + 3. The explanation comes from the following formula: <div class="MsoNormal">(5 + a)(5 + b) = 10(a + b) + (5 - a)(5 - b) </div>In our example, a = 2 and b = 4. (10) Product of two 2-digit numbers. <div style="margin-left: 0.5in; mso-list: l1 level1 lfo2; tab-stops: list .5in; text-indent: -0.25in;">·         If the numbers are not too far apart, and their difference is even, one might use the well known formula (a+n)(a-n)=a2-n2. a here is the average of the two numbers. For example, 28·24=262-22=676-4=672 since 26=(24+28)/2. Also, 19·31=252-62=625-36=589 since 25=(19+31)/2. </div><div style="margin-left: 0.5in; mso-list: l1 level1 lfo2; tab-stops: list .5in; text-indent: -0.25in;">·         If the difference is odd use either n(m+1)=nm+n or n(m-1)=nm-n. Example 37·34=37·35-37=362-12-37=1296-1-37=1258. On the other hand, 37·34=37·33+37=352-22+37=1225-4+37=1258. </div> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWUKzqpxCL8SjEMzUZN70_9fWNZ8vJDSAFlFCSrEzwozkK0hOHGXOUAMajuMEQUVrTrIdkHaD3Ix3KKAgXDGSIJiNSBpc1QSpkjwfLd7AAERsm2RGbKLS5aje5gVGX0yGaqHdNnZEcEZI/s1600/16+Easy+Quantitative+Aptitude+shortcut+tricks+for+all+competitive+exams.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWUKzqpxCL8SjEMzUZN70_9fWNZ8vJDSAFlFCSrEzwozkK0hOHGXOUAMajuMEQUVrTrIdkHaD3Ix3KKAgXDGSIJiNSBpc1QSpkjwfLd7AAERsm2RGbKLS5aje5gVGX0yGaqHdNnZEcEZI/s1600/16+Easy+Quantitative+Aptitude+shortcut+tricks+for+all+competitive+exams.jpg" width="320" /></a></div> (11) Product of numbers that only differ in units. If the numbers only differ in units and the sum of the units is 10, like with 53 and 57 or 122 and 128, then think of them as, say 10a+b and 10a+c, where b+c=10. The product (10a+b)(10a+c) is given by 100a2+10a(b+c)+bc =&nbs;100a(a+1)+bc. Thus to compute 53 times 57 (a=5, b=3, c=7), multiply 5 times (5+1) to get 30. Append to the result (30) theproduct of the units (3·7=21) to obtain 3021. Similarly 122·128 = 12·13·100+2·8=15616. (12) Multiplying by 11. To multiply a 2-digit number by 11, take the sum of its digits. If it's a single digit number, just write it between the two digits. If the sum is 10 or more, do not forget to carry 1 over. For example, 34·11=374 since 3+4=7. 47·11=517 since 4+7=11. (13) Faster subtraction. Subtraction is often faster in two steps instead of one. Example: 427-38=(427-27)-(38-27)=400-11=389. A generic advice might be given as "First remove what's easy, next whatever remains". Another example: 1049-187=1000-(187-49)=900-38=862. (14) Faster addition. Addition is often faster in two steps instead of one. Example: 487+38=(487+13)+(38-13)=500+25=525. A generic advice might be given as "First add what's easy, next whatever remains". Another example: 1049+187=1100+(187-51)=1200+36=1236. (15) Faster addition, #2. It's often faster to add a digit at a time starting with higher digits. For example, 583+645=583+600+40+5=1183+40+5=1223+5=1228. <div class="separator" style="clear: both; text-align: center;"> </div>(16) Multipliply, then subtract. When multiplying by 9, multiply by 10 instead, and then subtract the other number. For example, 23·9=230-23=207. The same applies to other numbers near those for which multiplication is simplified. 23·51=23·50+23=2300/2+23=1150+23=1173. 87·48=87·50-87·2=8700/2-160-14=4350-160-14=4190-14=4176.  <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibCH76oNoalphygw3KykSk03MGBJuaEgMHRunFSoMfl4iTRxvkW4fQQNGLK-_tsY-hnsae2EjR5T9H1sBi5bV5YYOHqOA_D3kgfhBuzNS7sqwGtwx0nZx-pI_frpGzc47LCBRJauaFEyY/s1600/top-tips-tricks.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibCH76oNoalphygw3KykSk03MGBJuaEgMHRunFSoMfl4iTRxvkW4fQQNGLK-_tsY-hnsae2EjR5T9H1sBi5bV5YYOHqOA_D3kgfhBuzNS7sqwGtwx0nZx-pI_frpGzc47LCBRJauaFEyY/s1600/top-tips-tricks.jpg" width="320" /></a></div> </div>

16 Easy Quantitative Aptitude short tricks for all competitive exams with practice set Quiz test

16 Easy Quantitative Aptitude short tricks for all competitive exams with practice set Quiz test(1) Multiplication by 5It's often more convenient instead of multiplying by 5 to multiply first by 10 an…

05 May 2014

AS/400-iSeries Concepts and Terminology

<div dir="ltr" style="text-align: left;" trbidi="on"><h1 style="text-align: center;">AS/400-iSeries Concepts and Terminology </h1><div class="MsoNormal" style="text-align: center;"> </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimUkGJOyyz1I_HXROnf0RlDMvsby93p8srh_tdrioNvz6u98IgJuRa3dbqrW5F5PYLE12tfrAnNPKMoOT98v2xlJwiqsiFu62RHiVQoM7s9md8GRwG4KmeCfqJysO5ALfTlf19_MDSoN0/s1600/AS400-iSeries.png" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimUkGJOyyz1I_HXROnf0RlDMvsby93p8srh_tdrioNvz6u98IgJuRa3dbqrW5F5PYLE12tfrAnNPKMoOT98v2xlJwiqsiFu62RHiVQoM7s9md8GRwG4KmeCfqJysO5ALfTlf19_MDSoN0/s1600/AS400-iSeries.png" /></a></div><div class="MsoNormal" style="text-align: center;"> </div><div class="MsoNormal" style="text-align: center;"> </div><div class="MsoNormal"> The purpose of this post is to give a high level overview of the AS400-iSeries and some of the components, features, terminology, and definitions.</div><div class="MsoNormal"> </div><h3>AS/400 Architecture</h3><div class="MsoNormal">The AS/400 is a very complex integrated system that includes hardware, software, security, a database and other components. The AS/400 Advanced Architecture is unique in that it is extremely adaptable and can easily incorporate new technologies. This is important in today’s fast changing computer marketplace. The AS/400 is designed to separate the software and hardware so changes in one have little effect in the other. This is accomplished through the Machine Interface (MI) which is a software programming interface between the application, the operating system and hardware. The MI is a complete Application Programming Interface (API) set that all applications must use in order to get to the to the hardware. This is how the AS400 achieves the software independence. </div><div class="MsoNormal"> </div><h3>OS/400 Operating System</h3><div class="MsoNormal">The Operating System for the AS/400 is called OS/400. The OS/400 resides above the MI. This allows the operating system to be independent from the hardware.  Most operating system components handle functions such as memory, process, program, and I/O management. On the AS/400 these lower level functions are handled by the Licensed Internal Code (LIC) which is the operating system software below the MI. The LIC protects application programs and OS/400 from hardware changes. Thus again, keeping the software separate from the hardware. </div><div class="MsoNormal"> </div><h3>Integrated File System</h3><div class="MsoNormal">The AS/400 contains an integrated file system (IFS). This means applications written on other file systems, PC, Unix, etc., can access data stored on the AS/400.  The IFS integrates all file systems on the AS/400 with one interface and one set of rules. How the AS/400 developers accomplished this was to use a single root, like a PC file system, and put all other file systems under it.  From a Windows client the AS/400 would appear as a network drive. Under that drive you would have PC-like subdirectories for all the file systems the AS/400 supports. Currently there is support for PC file systems, Unix file systems, OS/400 libraries, and others.  The IFS provides access to the data. The data must be in compatible format for the requesting application. </div><div class="MsoNormal"> </div><h3>DB2/400 Database – The Integrated Database</h3><div class="MsoNormal">The AS400 contains a relational database called DB2/400. DB2/400 is integrated into the AS/400 partly above the MI and partly in the LIC. Conventional databases are separate software components that reside on top of the operating system. Since DB2/400 is integrated throughout the entire system it can achieve a higher level of efficiency because it is tightly integrated with the components with which it communicates. The database management system (DBMS) is a framework for storing and retrieving data. A DBMS must have an interface so users can access and manipulate the data. There are two interfaces to the AS/400: The Data Description Specifications (DDS) and Structured Query Language (SQL).  The DDS, or the native interface, was carried over from the IBM System/38. It has a look and feel similar to IBM’s Information Management System (IMS). The second interface for the AS/400 is SQL. This is the industry standard for relational databases and is an optional product that you must purchase separately. </div><div class="MsoNormal"> </div><h3>Data Warehousing</h3><div class="MsoNormal">DB2/400 supports data warehousing. The four main components that DB2/400 utilizes for data warehousing are:  transformation and propagation tools to load the data warehouse, the data warehouse database server, analysis and end-user tools, and tools to manage the information about the data warehouse. </div>Transformation and propagation tools are used to move and manipulate data into a form more appropriate for the warehouse. It transforms operational data into informational data. IBM introduced special models of the AS/400 that are able to handle the types of workloads use in data warehousing applications. These database servers utilize parallel processing and multidimensional databases. The AS/400 uses parallel I/O processing (IOP). This allows parallel processing at the I/O level for a single job.  By doing this it helps increase I/O processing time. The AS/400 also can take a single query and break it down to independent queries and these are run in parallel across the multiple processors in the system. This can increase performance for the original query. Most relational databases are organized as two-dimensional tables.  A multidimensional databases has one or more additional dimensions. DB2/400 can create a three-dimensional data structure. These structures have three axis’s and look like a three dimensional spreadsheet. The DB2/400 uses business intelligence tools to analyse the data in the data warehouse. These include: Decision support (DSS) tools, executive information systems (EIS), and data mining tools. DSS tools allow the user to create questions, in the form of queries, to get answers to the questions. They enable the user to create ad hoc queries and build reports. EIS’s combine DSS tools with some extended analysis capabilities. Data mining tools allow for the discovery of information with little or no direction from the user. The system searches through the data to determine patterns or associations. </div><div dir="ltr" style="text-align: left;" trbidi="on"> <h3>Objects</h3><div class="MsoNormal">The AS/400 is sometimes described as an object based system because objects are a fundamental part of the design of the system. Almost everything in the AS/400 is an object. These include data files, user profiles, job queues, message queues, print queues, compiled programs, word processing documents, menus, etc. On the AS/400 objects are categorized by type, which allow the user to specify what type of objects are required for a given task. There are OS/400 objects and MI system objects. Some OS/400 objects map one to one with MI system objects, but other have a one to many mapping. This is because some OS/400 objects need to map to multiple MI system objects. All OS/400 objects map to at least one MI system object. The object is assigned an owner when it is created. The owner is either the user or the group profile that created the object. When the object is created, the owner is given all the object and data authorities to that object. </div><div class="MsoNormal"> </div><h3>Libraries</h3><div class="MsoNormal">A library is an OS/400 object that is used to find other OS/400 objects in the database. The library is organized as a single-level hierarchy, unlike the directory structure found on PCs which have a multilevel hierarchy. To find an OS/400 system object you need the name of the library and the name of the object.  The AS/400 identifies objects by their qualified name, which takes the form of LIBRARY/OBJECT.   For example, to find the object MONEY in the library PAYROLL you would reference this as PAYROLL/MONEY. Two or more objects can have the same name but they must be different types of objects. For example you could have a program named TEST and a data space named TEST, but not two programs named TEST. An object can exist in only one library. A library cannot reference other libraries except for the library called QSYS. This is the only library that can access other libraries. </div><div class="MsoNormal"> </div><h3>Physical Files</h3><div class="MsoNormal">A physical file holds the actual data. The physical file record has a fixed set of fields. Each field can have variable lengths. A physical file has two parts. The first part contains the file attributes and field descriptions. The file attributes include the file’s name, owner, size, number of records in the file, key fields, and other attributes.  The field descriptions hold the attributes for each field in the record. The second part of a physical file contains the data. </div><div class="MsoNormal"> </div><h3>Logical files</h3><div class="MsoNormal">Logical files allow a user to access data in a format that is different from the way it is stored in one or more physical files. The logical file contains no data records. It contains the corresponding record number of the data record in the physical file. The logical file will contain the index to the physical file. Logical files provide the path to the physical file. There are four types of logical files. The first is the simple logical file. This maps data from a single physical file to another logical record definition. The second is the multiple-format logical file.  This logical file allows access to several physical files. The third type of logical file is the join logical file. The join logical file defines a single record definition that is built from two or more physical files, tables, logical files, or views. The total number of physical files and tables cannot exceed 32. The forth type of logical file is the SQL view. These are similar to join logical files but SQL view logical files locate the access path at run time by use of the Query Definition Template and are not maintained by each join. </div><h3> </h3><h3>Collections</h3><div class="MsoNormal">A collection is a grouping of related SQL objects. This is the SQL name for a library in the native interface. </div><h3> </h3><h3>DirectConnect Related Issues</h3><div class="MsoNormal">NULLID Collection – The AS400 Access Service (ACS) requires certain files on the AS/400. It looks for these files in a collection called NULLID. The collection must be created before installing the service. The NULLID collection contains the service package which the system creates when the ACS submits the first request to the AS/400. It also contains a package for each AS/400 stored procedure the user creates. Finally, the NULLID collection contains the SYSPROCS and SYSPROCCOL catalog stored procedures table. </div>The script cspas4.sql creates the tables SYSPROCS and SYSPROCCOL in the NULLID collection. If you are going to use Catalog Stored Procedures against the AS/400 you will need to run this script. In your DirectConnect configuration the TPName for the AS400 must be the value \x7F6DB. This is the transaction program name for the DRDA Application Server on the AS/400.  </div>

AS/400-iSeries Concepts and Terminology

AS/400-iSeries Concepts and Terminology The purpose of this post is to give a high level overview of the AS400-iSeries and some of the components, features, terminology, and definitions.AS/400 Archit…

05 May 2014

Structural Engineering Research Centre (SERC) Recruitment Scientist job posts notification

<div dir="ltr" style="text-align: left;" trbidi="on"><h4 class="itemtitle" style="margin: 0px; padding: 0px;">Structural Engineering Research Centre (SERC) Recruitment Scientist job posts notification</h4><div> </div><div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7jdPml42cZQifKf-WEmBm50JfK-vqpPHPeUsMkX33gI-gvgLIoQcgmyzCYm4nzsCbVlxRsDwJZWpGGtTlT-x7T5gniGFkg466iFg0WmLdqkrxavBFWY4CDVvcJJKgswFj8lPyVfkH1kQ/s1600/CSIR-Structural-Engineering-Research-Centre_thumb.jpg" style="clear: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><img border="0" height="99" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7jdPml42cZQifKf-WEmBm50JfK-vqpPHPeUsMkX33gI-gvgLIoQcgmyzCYm4nzsCbVlxRsDwJZWpGGtTlT-x7T5gniGFkg466iFg0WmLdqkrxavBFWY4CDVvcJJKgswFj8lPyVfkH1kQ/s1600/CSIR-Structural-Engineering-Research-Centre_thumb.jpg" width="200" /></a></div><div>Structural Engineering Research Centre (SERC)</div><div class="itemcontent" name="decodeable" style="line-height: 18.2px; overflow: hidden; width: 693px;">(Council of Scientific and Industrial Research - CSIR) CSIR Campus, TTTI Taramani P.O.,Chennai - 600113 Structural Engineering Research Centre (SERC) Recruitment Scientist job posts notification</div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; line-height: 18.2px; overflow: hidden; width: 693px;"> </div><div class="itemcontent" name="decodeable" style="font-family: Helvetica, Arial, sans-serif; line-height: 18.2px; overflow: hidden; width: 693px;">Advertisement No. : SE-1/20014 Structural Engineering Research Centre (SERC) , Chennai, is a premier National Laboratory under the CSIR. 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Structural Engineering Research Centre (SERC) Recruitment Scientist job posts notification

Structural Engineering Research Centre (SERC) Recruitment Scientist job posts notificationStructural Engineering Research Centre (SERC)(Council of Scientific and Industrial Research - CSIR)CSIR Campus…

04 May 2014

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AS/400-iSeries Concepts and Terminology

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