Technology Questions

Q:

What is an ABAP/4 Query?

Answer

ABAP/4 Query is a powerful tool to generate simple reports without any coding. ABAP/4 Query can generate the following 3 simple reports: Basic List: It is the simple reports. Statistics: Reports with statistical functions like Average, Percentages. Ranked Lists: For analytical reports. - For creating a ABAP/4 Query, programmer has to create user group and a functional group. Functional group can be created using with or without logical database table. Finally, assign user group to functional group. Finally, create a query on the functional group generated.

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Subject: ABAP

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Q:

What are the advantages of the external over inline style methods?

Answer

- External Style Sheets are useful as it keeps the style and content separately and doesn’t allow it to mix with each other. It can control the styles for multiple documents, whereas inline style mixes the content with the style and make the code messier.


- External style sheet allows the creation of various classes in a structured way, whereas inline style sheet can’t create or control class elements.


- External style sheet can use selector and grouping methods to apply styles, whereas inline styles can’t use selector and grouping methods.

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Subject: Web Technology

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Q:

How do you load data from XML file to a ORACLE table?

Answer

You need to first create a table in oracle that matches with the fields of the XML data.


So to get the XMl into the table, you can create a generic procedure that moves an XML document into a table by converting the elements to Oracle Canonical format.


Oracle Canonical format is as follows:


<ROWSET>


   <ROW>  


     <column_name_1 />


     .


     .


     </ROW>


     <ROW>


         <column_name_1 />


         .


         .


      </ROW> 


        .


        .


</ROWSET>        


ROW is used for the table names


ROWSET is used for the XML document


You can get the XML into the canonical form using XSL:


<?xml version="1.0"?>


<xsl:stylesheet 


             xmlns:xsl="https://www.w3.org/1999/XSL/Transform"                   


             version="1.0">


     <xsl:template match="/">


          <ROWSET>


               <ROW>


                         <Attribute_name>                      


                             <xsl:value-of select="Table_name/Attribute_name" />


                         </Attribute_name>


                < /ROW>


          </ROWSET>


     </xsl:template>


</xsl:stylesheet>


To transform the XML document into the canonical form, you can write a procedure. Make sure you include the line below in your procedure code:


v_rows := DBMS_XMLStore.insertXML(


                v_context,    


                XMLType.transform(p_xml_in, p_xsl_in));


The only remaining step is calling your procedure: 


DECLARE


   v_xml XMLType := XMLType( YOUR XML Document );


   v_xsl XMLType := XMLType( YOUR XSL Document );


BEGIN 


   procedure_name(v_xml, v_xsl, 'table_name');


END;

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Subject: Web Technology

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Q:

How to Accessing Elements using javascript?

Answer

The elements of JavaScript are accessed by their names. By default the browser is accessed by the element ‘windows’ and the page by ‘document’. The corresponding element has user defined names for forms and its elements. For example


var pwd = windows.document.frmLogin.password.value;


assigns the value of the password field of the form fromLogin in the current document, where password is the name of the element and frmLogin is the name of the form. Like wise any form element is accessed.

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Subject: Web Technology

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Q:

What is BDC programming?

Answer

Transferring of large/external/legacy data into SAP system using Batch Input programming. Batch input is a automatic procedure referred to as BDC(Batch Data Communications). The central component of the transfer is a queue file which receives the data vie a batch input programs and groups associated data into “sessions”.

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Subject: SAP

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Q:

What are the rules in CSS ruleset?

Answer

CSS consists of two types of CSS rules, first is for ruleset which identifies the style and the selector. It combines the style and the selector. Ruleset is a combination of CSS rules, for example: h1{text-color: 15pt;}, where this is the CSS rule. Ruleset is selector + declaration for example: h1 + {text-color: 15pt;}

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Subject: Web Technology

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Q:

How to create arrays in JavaScript?

Answer

Arrays are created by using new Array() in Java Script.


For example : var employees = new Array();


The elements to this array is assigned as follows :


employees[0] = "Kumar"


employees[1] = "Fedrick"

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Q:

What is BCP ? When is it used ?

Answer

The Bulk Copy Program (BCP) is a command-line utility that ships with Microsoft SQL Server. It is a tool used to duplicate enormous quantity of information from tables and views. It does not facsimile the structures same as foundation to target.
BULK INSERT command helps to bring in a data folder into a record, table or view in a user-specific arrangement. With BCP, you can import and export large amounts of data in and out of SQL Server databases quickly and easily. Any DBA who has utilized this functionality will agree that BCP is an essential tool.

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