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SY-TABIX - Current line of an internal table. SY-TABIX is set by the statements below, but only for INDEX tables. The FIELD is either not set or is set to 0 for hashed tables.

* APPEND sets SY-TABIX to the index of the last line of the table, that is, it contains the OVERALL number of entries in the table.
* COLLECT sets SY-TABIX to the index of the existing or inserted line in the table. If the table has the type HASHED TABLE, SY-TABIX is set to 0.
* LOOP AT sets SY-TABIX to the index of the current line at the beginning of each loop loss. At the end of the loop, SY-TABIX is RESET to the value that it had before entering the loop. It is set to 0 if the table has the type HASHED TABLE.
* READ TABLE sets SY-TABIX to the index of the table line read. If you use a binary search, and the system does not find a line, SY-TABIX contains the total number of lines, or one more than the total number of lines. SY-INDEX is UNDEFINED if a linear search fails to return an entry.
* SEARCH FOR sets SY-TABIX to the index of the table line in which the search string is found.

SY_INDEX - In a DO or WHILE loop, SY-INDEX contains the number of loop passes including the current pass.

SY-TABIX - Current line of an internal table. SY-TABIX is set by the statements below, but only for index tables. The field is either not set or is set to 0 for hashed tables.

* APPEND sets SY-TABIX to the index of the last line of the table, that is, it contains the overall number of entries in the table.
* COLLECT sets SY-TABIX to the index of the existing or inserted line in the table. If the table has the type HASHED TABLE, SY-TABIX is set to 0.
* LOOP AT sets SY-TABIX to the index of the current line at the beginning of each loop loss. At the end of the loop, SY-TABIX is reset to the value that it had before entering the loop. It is set to 0 if the table has the type HASHED TABLE.
* READ TABLE sets SY-TABIX to the index of the table line read. If you use a binary search, and the system does not find a line, SY-TABIX contains the total number of lines, or one more than the total number of lines. SY-INDEX is undefined if a linear search fails to return an entry.
* SEARCH FOR sets SY-TABIX to the index of the table line in which the search string is found.

SY_INDEX - In a DO or WHILE loop, SY-INDEX contains the number of loop passes including the current pass.

SAP Script – It is the integrated text management system of the SAP R/3 System.
TWO TYPES:

• PC EDITOR
•  Line Editor.

Reports - It is the way to DISPLAY DATA fetched from database table onto screen or directly output it to a printer.
Two types:

• Classical
•  Interactive.

SAP Script – It is the integrated text management system of the SAP R/3 System.
Two types:

Reports - It is the way to display data fetched from database table onto screen or directly output it to a printer.
Two types:

The ABAP system fields are active in all ABAP programs. They are filled by the runtime ENVIRONMENT, and you can query their values in a program to find out particular states of the system. Although they are variables, you should not assign your own values to them, since this may overwrite information that is important for the normal running of the program. HOWEVER, there are some isolated cases in which you may need to overwrite a system VARIABLE. For example, by assigning a NEW value to the field SY-LSIND, you can control navigation within DETAILS lists.

The ABAP system fields are active in all ABAP programs. They are filled by the runtime environment, and you can query their values in a program to find out particular states of the system. Although they are variables, you should not assign your own values to them, since this may overwrite information that is important for the normal running of the program. However, there are some isolated cases in which you may need to overwrite a system variable. For example, by assigning a new value to the field SY-LSIND, you can control navigation within details lists.

SELECTION-SCREEN BEGIN OF BLOCK ABC WITH FRAME TITLE T01.

SELECTION-SCREEN BEGIN OF SCREEN 500 AS WINDOW.

CALL SELECTION-SCREEN 500 STARTING AT 10 10.

SELECTION-SCREEN BEGIN OF BLOCK ABC WITH FRAME TITLE T01.

SELECTION-SCREEN BEGIN OF SCREEN 500 AS WINDOW.

CALL SELECTION-SCREEN 500 STARTING AT 10 10.

There are four STANDARD layouts in the SAP Script:

1.  Header
2.  LOGO
3.  Main WINDOW
4.  FOOTER

There are four standard layouts in the SAP Script:

There are 6 EVENTS in report:

1.  Initialization
2.  At Selection-Screen
3.  Start-of-Selection
4.  GET
5.  Get Late
6.  End-of-Selection
7.  Top-of-Page
8.  End-of-Page
9.  At Line Selection
10.  At USER COMMAND
11.  At PF (nn)

There are 6 events in report:

There are three different functions USED in SAP SCRIPT:

1. OPEN_FORM
2. WRITE_FORM
3. CLOSE_FORM

Parameters in Each FUNCTION:

1. OPEN_FORM
   • Exporting
   • Form
   • Language
2. WRITE_FORM
   • Exporting
   • Element
   • Window
3. CLOSE_FORM

There are three different functions used in SAP Script:

Parameters in Each Function:

No, we cannot print DECIMALS in TYPE N because decimal places are not permitted with N data type.

FLOAT Data Type: It cannot be declared in Parameters.

Packed Number: It can be declared in Parameters.

For e.g.

PARAMETERS : A(4) TYPE P DECIMALS 2, B(4) TYPE P DECIMALS 2.

DATA : C(4) TYPE P DECIMALS 2.

C = A + B.

WRITE : / ‘THE SUM IS’ , C.

No, we cannot print decimals in type N because decimal places are not permitted with N data type.

Float Data Type: It cannot be declared in Parameters.

Packed Number: It can be declared in Parameters.

For e.g.

PARAMETERS : A(4) TYPE P DECIMALS 2, B(4) TYPE P DECIMALS 2.

DATA : C(4) TYPE P DECIMALS 2.

C = A + B.

WRITE : / ‘THE SUM IS’ , C.

View - A view is a virtual table CONTAINING fields from one or more tables. A virtual table that does not contain any data, but instead provides an application-oriented view of one or more ABAP Dictionary tables.

Different Types of View:

•  Maintenance
•  DATABASE – It is on more than two tables.
•  Projection – It is only on one table.
•  HELP

View - A view is a virtual table containing fields from one or more tables. A virtual table that does not contain any data, but instead provides an application-oriented view of one or more ABAP Dictionary tables.

Different Types of View:

Domain - Specifies the technical attributes of a data element - its data type, length, possible VALUES, and APPEARANCE on the screen. Each data element has an underlying domain. A single domain can be the basis for several data elements. Domains are objects in the ABAP Dictionary.

Data Element - Describes the business function of a table field. Its technical attributes are based on a domain, and its business function is DESCRIBED by its field labels and DOCUMENTATION.

Aggregate Object – VIEWS, Match Code and Lock objects are called aggregate objects because they are formed from several related table.

Domain - Specifies the technical attributes of a data element - its data type, length, possible values, and appearance on the screen. Each data element has an underlying domain. A single domain can be the basis for several data elements. Domains are objects in the ABAP Dictionary.

Data Element - Describes the business function of a table field. Its technical attributes are based on a domain, and its business function is described by its field labels and documentation.

Aggregate Object – Views, Match Code and Lock objects are called aggregate objects because they are formed from several related table.

Central information repository for APPLICATION and system data. The ABAP Dictionary contains data definitions (METADATA) that allow you to describe all of the data structures in the system (like tables, VIEWS, and data types) in ONE PLACE. This eliminates redundancy.

Central information repository for application and system data. The ABAP Dictionary contains data definitions (metadata) that allow you to describe all of the data structures in the system (like tables, views, and data types) in one place. This eliminates redundancy.

Function Groups ACT as CONTAINERS for Function Modules that logically BELONG together.
Function Groups
1) These cannot be defined in a Function MODULE.
2) It cannot be called.
3) They are containers for Function Module.
Function Modules
1) These must be defined in a Function Group.
2) It can be called from any program.
3) They are not containers for Function Group.

Function Groups act as containers for Function Modules that logically belong together.
Function Groups
1) These cannot be defined in a Function Module.
2) It cannot be called.
3) They are containers for Function Module.
Function Modules
1) These must be defined in a Function Group.
2) It can be called from any program.
3) They are not containers for Function Group.

There are five contents in Technical Settings:

• Data CLASS
• Size CATEGORY
• BUFFERING PERMISSION
• Buffering Type and
• Logging.

There are five contents in Technical Settings:

When you call a FUNCTION module, an instance of its function group plus its data, is LOADED into the memory AREA of the internal session. An ABAP program can load several instances by calling function MODULES from different function GROUPS.

When you call a function module, an instance of its function group plus its data, is loaded into the memory area of the internal session. An ABAP program can load several instances by calling function modules from different function groups.