Technology Questions

Q:

What is Extractor?

Answer

Extractors is a data retrieval mechanisms in the SAP source system. Which can fill the extract structure of a data source with the data from the SAP source system datasets. The extractor may be able to supply data to more fields than exist in the extract structure.

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Subject: SAP

0 1860
Q:

How to Add a new column to an existing table?

Answer

New column can be added using the ALTER TABLE command as shown below:
Example:
ALTER TABLE employee ADD DateOfBirth date

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Subject: Oracle

0 1858
Q:

How will you launch an Activity within you application?

Answer

For launching an application, we will need to create an intent that explicitly defines the activity that we wish to start. For example:


Code


        Intent intent = new Intent(this, MyTestActivity.class);


        startActivity(intent);

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Q:

What is Xpath?

Answer

XPath specifies the path in the XML document which has hierarchical elements. XPath is used with XPointer and XSLT and parser.  

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Subject: Web Technology

0 1851
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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Q:

What is a Canvas?

Answer

Canvas is a rectangular area on a HTML page, specified with the tag <canvas>. 

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Subject: Web Technology

0 1848
Q:

What is relation between the window and canvas views?

Answer

Canvas views are the back ground objects on which you place the interface items (Text items), check boxes, radio groups etc.,) and boilerplate objects (boxes, lines, images etc.,) that operators interact with us they run your form . Each canvas views displayed in a window.

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Q:

How to determine the state of a checkbox using Javascript?

Answer

var checkedP = window.document.getElementById("myCheckBox").checked;

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Subject: Web Technology

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