What is Process Memory in Operating System

October 03, 2020

Process memory divided in to 4 main section - 
1. Stack Section.
2. Heap Section.
3. Data Section.
4. Text Section.

Stack - Stack section is basically used for local variables.

Heap - Heap section used for dynamic memory allocation. Heap section managed via call of free, malloc, delete, new function.

Data - This section used for static and global variables.

Text - This section hold compiled code from non volatile memory when program launched.

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How to find all implementation for a particular BAdi name?

May 09, 2020

Step 1 : Go to SE18. Choose BAdi Name and put the BAdi Name and click Display button, we will find out list of all implementation for BAdi Name VENDOR_ADD_DATA.

Step  2 : Then click on Implementation and click on Display.

Step 3 : You will get a popup menu where you can see the all implementation.


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What is process state in OS

May 09, 2020

When process executes it changes states. Process states are - 

New - The process is being created.

Ready - Process is waiting to be assigned by another processor.

Running - Instructions are being executed.

Waiting - Process is waiting for some event to occur (I/O completion).

Terminated - Process has finished execution.

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Swapping of two numbers in SAP ABAP

May 09, 2020

Code :
REPORT ZVP_SWAPPING_PROGRAM.

DATA: TEMP TYPE CHAR10.

PARAMETERS: P_FIRST TYPE CHAR10,
            P_SECOND TYPE CHAR10.

TEMP = P_FIRST.
P_FIRST = P_SECOND.
P_SECOND = TEMP.

WRITE:/ 'FIRST', P_FIRST.
WRITE:/ 'SECOND', P_SECOND.

Output :
Selection Screen Input

Output Result


IDE Used To Test This Code : SAP ABAP Editor.

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What is Bootstrap Program in Operating System

May 08, 2020


A small initial program is needed to powered up the system or rebooted the system. This initial program known as Bootstrap Program. This program stored in ROM or EEPROM , in general terms it is known as Firmware.

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What is a Process

May 08, 2020

Process is a program execution where the process is used to achieve execution of a program in a sequential or compiled manner.

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How to insert values in Table using SQL Statement

April 12, 2020

Syntax : 
INSERT INTO Students
(StudentID, Firstname, Lastname, Phone, Country)
VALUES
(1, 'Abhi', 'Das', '8100122450', 'India');

Output :

IDE Used To Test This Code : Microsoft SQL Server 2014.

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How to drop Table using SQL Statement

April 12, 2020

Syntax :  DROP TABLE Students;

Students is the table name.

IDE Used To Test This Code : Microsoft SQL Server 2014.

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How to create Table using SQL Statement

April 12, 2020

Syntax : 
CREATE TABLE Students (
    StudentID int,
    Firstname varchar(255),
    Lastname varchar(255),
    Phone varchar(255),
    Country varchar(255)
);

Students is the table name.

IDE Used To Test This Code : Microsoft SQL Server 2014.

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How to create Database using SQL Statement

April 12, 2020

Syntax : CREATE DATABASE CT_STUDENT;

CT_STUDENT is the database name.

IDE Used To Test This Code : Microsoft SQL Server 2014.

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Difference between TYPE and TYPES in SAP ABAP

April 12, 2020

TYPE - This statement is used to define variable in SAP.
Example :
DATA : LV_VAL TYPE CHAR10.


TYPES - this statement is used to define structure in SAP.
Example :
TYPES: BEGIN OF TY_MARA,
         MATNR TYPE MATNR,
         ERSDA TYPE ERSDA,
         ERNAM TYPE ERNAM,
       END OF TY_MARA.

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Lists of Transaction Code in SAP

March 31, 2020

SE11 - ABAP dictionary.
SE12 - ABAP dictionary (display only).
SE13 - Technical settings of a table. (display and change).
SE14 - Database utility.
SE15 - Repository information system.
SE16 - Data browser.
SE17 - General table display.
SE18 - BAdi builder for definitions.
SE19 - BAdi builder for implementation.
SE20 - Enhancements (Enhancements Spots).
SE21 - Package builder.
SE24 - Class builder.
SE30 - Runtime analysis.
SE32 - Text element maintenance.
SE33 - Context builder.
SE35 - Dialog module maintenance.
SE36 - Logical database builder.
SE37 - Function builder.
SE38 - ABAP Editor.
SE39 - ABAP Splitscreen editor.
SE40 - Menu painter standard maintenance.
SE41 - Menu painter.
SE43 - Area menu maintenance


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Records from one to another internal table using LOOP

March 08, 2020

Code :
REPORT ZVP_2_INTER_TBL_REC_TRANS.

TYPES: BEGIN OF STR1,
  ID TYPE CHAR10,
  NAME TYPE CHAR10,
  COUNTRY TYPE CHAR10,
  END OF STR1.

  TYPES: BEGIN OF STR2,
  ID TYPE CHAR10,
  NAME TYPE CHAR10,
  COUNTRY TYPE CHAR10,
  END OF STR2.

DATA: IT1 TYPE STANDARD TABLE OF STR1,
      WA1 TYPE STR1,

      IT2 TYPE STANDARD TABLE OF STR2,
      WA2 TYPE STR2.

WA1-ID = '1'.
WA1-NAME = 'RAJESH'.
WA1-COUNTRY = 'KOLKATA'.
APPEND WA1 TO IT1.
CLEAR WA1.

WA1-ID = '2'.
WA1-NAME = 'BINAY'.
WA1-COUNTRY = 'GUJARAT'.
APPEND WA1 TO IT1.
CLEAR WA1.

LOOP AT IT1 INTO WA1.
  WA2-ID = WA1-ID.
  WA2-NAME = WA1-NAME.
  WA2-COUNTRY = WA1-COUNTRY.
  WRITE:/ WA2-ID, WA2-NAME, WA2-COUNTRY.
ENDLOOP.

Output :


IDE Used To Test This Code : ABAP Editor.

Try this code in your computer for better understanding. Enjoy the code. If you have any Question you can contact us or mail us.We will reply you as soon as possible.

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