Name the two standards that are supported by major DBMSs for distrib.pdf

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Name the two standards that are supported by major DBMSs for distributing data? Describe the standard set of protocols developed by ISO and ANSI for remote access to database. Solution The two standards that are supported by major DBMS\'s Are ODMG 3.0 and JDO . ODMG 3.0 stands for Object Data Management Group (ODMG) and JDO stands for java data objects . Remote database access (RDA) is the standard protocol for database access . this standard has been developed by ISO and ANSI. RDA provides protocol for eastablishing remote connection between database client and server. The client is acting on behalf of an application program while the server is interfacing to a process that controls data transfers to and from a database. The RDA Communication Element converts RDA service requests into underlying ACSE and TP service requests as part of an open systems interconnection..

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Write an equation for the height of the point P above the ground as a function of t, time in seconds. h(t) = Hint: Start by thinking: What is the height of the point P above the center? How is the center changing? Solution height of center at ant time = R + 7(sinA)t = 2 + 7(100/700)t = (2 + t) cm now height of P wrt center = Rcos(x/2) where x = 7t height of P = 2+ t + Rcos(7t/2) = 2 + t + 2cos(7t/2) 7t/2 is value in radian. oon putting t in second for t= 0,(starting point) height = 2 + 2cos0 = 4 cm at the end, at = 100 cm, h = 2 + 100 + 2cos(350) = 101.433 cm.

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herminaherman

Wild-type (WT) mice are irradiated, destroying all of their bone marrow cells including CD34+ hematopoietic stem cells (HSC). CD34+ HSC is isolated from (1) an untreated wild-type syngeneic control mouse, and (2) various immune gene mutant (-/- null) donor mice. The CD34+ HSC from the different mouse genotypes is injected into the wild-type irradiated recipient mice. Predict the reconstitution of the hematopoietic system in each of the recipient mice (+ or -). Solution Answer - Hematopoietic cells reconstituted in recipient CD34+HSC Doner GenotypeErythrocytes macrophages T cells B cells Wild Type mouse + + + + CD19(-/-)mouse + + + - Rag1/2(-/-)mouse + + - - erythropoietin EPO(-/-) - + + + AIRE(-/-)mouse + + + + explaination -Wild type mouse has normal CD34+HSC which is responsible to diffentiate into all type of immune cells in bone marrow. Whwn this CD34+HSC from wild type mouse injected into recipient mouse its bone marrow produce all type of immune cells. CD19 is a B cell lymphocyte antigen It is a protein which is coded by CD19 gene. it is found on the surface of B cells and helps in its proliferation and differenciation.CD34+HSC from doner who lack CD19 gene when injected into recipient mouse,It will be unable to produce B cell. Rag 1/2 also known as recombination activating gene codes a protein which paly an important role in recombination of the gene of immunoglobuline and T cell receptor marker.two gene products of recombination activating gene are Rag 1 and Rag 2 protein.These two rag protein are essential to the generation of mature Bcells and Tcells. .CD34+Hsc from doner who lack the gene codes gor Rag1/2 protein when injected to the recipient mouse, recipient mousewill be unable to produce mature B and T cells. Erythropoietin EPO is a protein harmone secreated by kidney in responce to less oxygen/Heamoglobine in blood.erythropoietin stimulates bone marrow to produce more Red blood cells (erythrocytes) which contain Heamoglobine ( an Oxygen carrier) and supply required amount of oxygen to the body by mean of blood flow through the body. when CD34+HSC from doner lack the gene codes for Erythropoietin injected into recipient mouse,it bone marrow will be unable to produce erythrocytes. AIRE is an auto immune regulator protein encoded by AIRE gene.It controles a mechanism that prevent T cells (an important cell for immune response) from attacking the self body antigen.T cells recognizes antigen which are expresed on the surface of antigen presenting cell by T cell receptors present on T cells and produce Immune responce against that antigen. In autoimmune diseases T cell Recognize self antigen and produce immune response against self antigen which leads to sever problem in self body.AIRE protein play an important role to controle these kind of autoimmune disorders by the removel of T cell through apoptosis while T cells are still in thymus. When CD34+HSC from doner WHICh lake the gene for AIRE protein injected into recipient mouse.Reci.

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herminaherman

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herminaherman

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herminaherman

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herminaherman

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herminaherman

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herminaherman

Interseting discussion topic, want to chime in? Describe a symbol in your life. It can be a religious one or not. But I want to know something in your life that is communal (that is to say, it takes place with other people) or personal (you go through it alone) that points \"beyond itself\". Especially good topics are symbols that you share with friends, family, teams, scout troops, or whatever - just a meaningful group (important places, annual parties, hand signs, code words, handshakes, etc). I want you to deeply diagnose the thing - even if you never have before: What are the motions involved? Do they have a significance? What is the connection between sign and symbolized? What feeling or event is it meant to evoke? Just describe each and every element that is consistently involved and explain its significance... Is there a \"mythology\" behind it? (that is to say, a key founding story that\'s interpretive, rather than exact, history) Solution hand signs: it involves acceptance, sometime ignorance, sometime victory, some time hapiness. Yes a lot. It is beyond the language one speaks. It has grat power to communicate. I don\'t know of mythology but yes its there..

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IN JAVA Write a program to create a binary data file named RandomInt.dat that consists of 10 random integer numbers using DataOutputStream. Use DataInputStream to read the integers from RandomInt.dat just created and print them on the console in the same program. Solution DataInputStreamTest.java import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.Random; public class DataInputStreamTest { public static void main(String[] args) { String strFilePath = \"D:\\\\RandomInt.dat\"; Random r = new Random(); try { FileOutputStream outputStr = new FileOutputStream(strFilePath); DataOutputStream outputStrData = new DataOutputStream(outputStr); for(int i=0; i<10; i++){ outputStrData.writeInt(r.nextInt(100)+1); outputStrData.writeChar(\'\\t\'); } outputStrData.flush(); outputStrData.close(); outputStr.close(); FileInputStream inputStr = new FileInputStream(strFilePath); DataInputStream inputStrData = new DataInputStream(inputStr); int count = 0; while(count<10){ int i = inputStrData.readInt(); inputStrData.readChar(); count++; System.out.println( i); } outputStrData.flush(); inputStrData.close(); outputStrData.close(); } catch(FileNotFoundException fe) { System.out.println(\"FileNotFoundException : \" + fe); } catch(IOException ioe) { System.out.println(\"IOException : \" + ioe); } } } Output: 65 8 95 69 1 77 16 97 85 1.

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herminaherman

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