- SAP ABAP
- What is SAP ABAP
- SAP ABAP Data Dictionary and Domain
- SAP ABAP Data Element
- SAP ABAP Database Table
- SAP ABAP Database tables and views
- SAP ABAP Foreign Key
- SAP ABAP Indexes
- SAP ABAP Structure
- SAP ABAP Package
- SAP ABAP Adding Fields to SAP Standard Table
- SAP ABAP Internal Table and Database Table
- SAP ABAP Select Option and Parameter
- SAP ABAP Types of Internal Table
- SAP ABAP ways of Declaring Internal Tables
- SAP ABAP Mastering Initialization Technique
- SAP ABAP Operations on Internal Table
- SAP ABAP Record Retrieval
- SAP ABAP Insert, Modify and Delete data in the Internal table by using Keywords
- SAP ABAP Sorting and Removing Adjacent Duplicates
- SAP ABAP Seamless Data Transfer Between Internal Tables
- SAP ABAP Search Help Types
- SAP ABAP Lock Objects and Types
- SAP ABAP Buffering and Its Types
- SAP ABAP TMG
- SAP ABAP Table Types
- SAP ABAP Views
- SAP ABAP Control Break Statement
- SAP ABAP COMMIT and ROLLBACK
- SAP ABAP Joins
- SAP For All Entries
- SAP ABAP Procedure to Fill Final Internal Table
- SAP ABAP Modularization
- SAP ABAP Function Group and Function Module
- SAP ABAP SELECT Options
24DDIC1907 – ABAP Essentials: Differentiating Internal Tables and Database Tables
In the SAP ABAP (Advanced Business Application Programming) environment knowing the difference between internal tables and database tables is crucial for efficient data handling. Both serve unique purposes and are integral to SAP application development.
What are Database Tables?
Database tables are used for permanent data storage within the SAP system. These tables are defined in the Data Dictionary (DDIC) and manage data persistently.
Key Points:
Persistent Storage: Data remains even after program execution.
Data Integrity: Enforces constraints like primary and foreign keys.
SQL Access: Data is accessed via SQL statements.
Example:
Sql syntax
CREATE TABLE ZPRODUCTS (
PRODUCT_ID INT PRIMARY KEY,
NAME VARCHAR(100),
PRICE DECIMAL(10, 2)
);
What are Internal Tables?
Internal tables are temporary storage structures used during ABAP program execution. They hold data in memory for processing.
Key Points:
Temporary Storage: Exists only during program runtime.
Flexible Structure: Can be dynamically modified.
In-Memory Processing: Ideal for sorting, filtering and aggregating data.
Example:
DATA: lt_products TYPE TABLE OF zproducts.
Usage Example:
SELECT * FROM zproducts INTO TABLE lt_products WHERE price > 100.
LOOP AT lt_products INTO DATA(ls_product).
WRITE: / ls_product-name, ls_product-price.
ENDLOOP.
Key Differences
- Lifespan:
Database Tables: Persistent.
Internal Tables: Temporary.
- Storage:
Database Tables: Stored in the database.
Internal Tables: Stored in memory.
- Access:
Database Tables: Accessed via SQL.
Internal Tables: Manipulated via ABAP.
When to Use Each?
Database Tables: Use for persistent data storage with integrity constraints.
Internal Tables: Use for in-memory data processing during program execution.
Author : Aniket Pawar, 9373518385
24DDIC1907 – ABAP Essentials: Differentiating Internal Tables and Database Tables
In the SAP ABAP (Advanced Business Application Programming) environment knowing the difference between internal tables and database tables is crucial for efficient data handling. Both serve unique purposes and are integral to SAP application development.
What are Database Tables?
Database tables are used for permanent data storage within the SAP system. These tables are defined in the Data Dictionary (DDIC) and manage data persistently.
Key Points:
Persistent Storage: Data remains even after program execution.
Data Integrity: Enforces constraints like primary and foreign keys.
SQL Access: Data is accessed via SQL statements.
Example:
Sql syntax
CREATE TABLE ZPRODUCTS (
PRODUCT_ID INT PRIMARY KEY,
NAME VARCHAR(100),
PRICE DECIMAL(10, 2)
);
What are Internal Tables?
Internal tables are temporary storage structures used during ABAP program execution. They hold data in memory for processing.
Key Points:
Temporary Storage: Exists only during program runtime.
Flexible Structure: Can be dynamically modified.
In-Memory Processing: Ideal for sorting, filtering and aggregating data.
Example:
DATA: lt_products TYPE TABLE OF zproducts.
Usage Example:
SELECT * FROM zproducts INTO TABLE lt_products WHERE price > 100.
LOOP AT lt_products INTO DATA(ls_product).
WRITE: / ls_product-name, ls_product-price.
ENDLOOP.
Key Differences
- Lifespan:
Database Tables: Persistent.
Internal Tables: Temporary.
- Storage:
Database Tables: Stored in the database.
Internal Tables: Stored in memory.
- Access:
Database Tables: Accessed via SQL.
Internal Tables: Manipulated via ABAP.
When to Use Each?
Database Tables: Use for persistent data storage with integrity constraints.
Internal Tables: Use for in-memory data processing during program execution.
Author : Aniket Pawar, 9373518385
