Gurus is anyone there to rescue me

Hi Gurus,
I have two major issues...pls help me out...
1. Users said Query is taking lot of time....What all things should I check now??What should be my proposal so that it runs in a decent way..
2. Load from ODS to Cube is taking lot of time....What all things I should check so that I will be out of this problem???
Waiting for ur suggestions

Hello..
Please find the below links...
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/cbd2d390-0201-0010-8eab-a8a9269a23c2
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/aec09790-0201-0010-8eb9-e82df5763455
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/cccad390-0201-0010-5093-fd9ec8157802
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/3f66ba90-0201-0010-ac8d-b61d8fd9abe9
Hope Its Helps U
Thanks
SRS

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HI,
this is a technique to update the sap database from non-sap database.
non-sap data will be stored to some flat file first and the it will be moved to sap data base.
here is an example which will update the purchase order details from flat file check it.
report ZBH_PURORDER no standard page heading line-size 255.
PARAMETERS:P_FILE LIKE IBIPPARMS-PATH.
DATA FILENAME TYPE STRING.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FILE.
CALL FUNCTION 'F4_FILENAME'
   EXPORTING
      program_name = sy-cprog
      dynpro_number = sy-dynnr
   IMPORTING
      file_name     = P_FILE.
START-OF-SELECTION.
FILENAME = P_FILE.
DATA:BEGIN OF XTAB OCCURS 0,
TYP,
DES(255) TYPE C,
END OF XTAB.
DATA:BEGIN OF ITAB OCCURS 0,
SUPERFIELD LIKE MEPO_TOPLINE-SUPERFIELD,
EKORG LIKE MEPO1222-EKORG,
EKGRP LIKE MEPO1222-EKGRP,
BUKRS LIKE MEPO1222-BUKRS,
END OF ITAB.
DATA:BEGIN OF JTAB OCCURS 0,
N(4) TYPE C,
EMATN LIKE MEPO1211-EMATN,
MENGE(13) TYPE C,
NETPR(13) TYPE C,
NAME1 LIKE MEPO1211-NAME1,
END OF JTAB.
DATA:BDCTAB LIKE BDCDATA OCCURS 0 WITH HEADER LINE.
DATA:DELIMITER VALUE '*'.
DATA A TYPE I.
DATA M(4) TYPE N.
DATA L_FNAM(30) TYPE C.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
    FILENAME                      = FILENAME
   FILETYPE                      = 'ASC'
TABLES
    DATA_TAB                      = XTAB.
LOOP AT XTAB.
IF XTAB-TYP = 'H'.
SPLIT XTAB-DES AT DELIMITER INTO ITAB-SUPERFIELD ITAB-EKORG ITAB-EKGRP
ITAB-BUKRS.
JTAB-N = JTAB-N + 1.
APPEND ITAB.
ELSEIF XTAB-TYP = 'I'.
SPLIT XTAB-DES AT DELIMITER INTO JTAB-EMATN JTAB-MENGE JTAB-NETPR
JTAB-NAME1.
APPEND JTAB.
ENDIF.
ENDLOOP.
CALL FUNCTION 'BDC_OPEN_GROUP'
EXPORTING
   CLIENT                    = SY-MANDT
   GROUP                     = 'PORDER'
   KEEP                      = 'X'
   USER                      = SY-UNAME.
LOOP AT ITAB.
A = SY-TABIX.
REFRESH BDCTAB.
perform bdc_dynpro      using 'SAPLMEGUI' '0014'.
perform bdc_field       using 'BDC_CURSOR'
                              'MEPO_TOPLINE-SUPERFIELD'.
perform bdc_field       using 'MEPO_TOPLINE-BSART'
                              'NB'.
perform bdc_field       using 'MEPO_TOPLINE-SUPERFIELD'
                              ITAB-SUPERFIELD.
perform bdc_field       using 'MEPO_TOPLINE-BEDAT'
                              '09.02.2007'.
perform bdc_field       using 'DYN_6000-LIST'
                              '                                      1'.
perform bdc_field       using 'BDC_OKCODE'
                              '=MEV4000BUTTON'.
perform bdc_dynpro      using 'SAPLMEGUI' '0014'.
perform bdc_field       using 'MEPO_TOPLINE-BSART'
                              'NB'.
perform bdc_field       using 'MEPO_TOPLINE-SUPERFIELD'
                              ITAB-SUPERFIELD.
perform bdc_field       using 'MEPO_TOPLINE-BEDAT'
                              '09.02.2007'.
perform bdc_field       using 'BDC_CURSOR'
                              'MEPO1222-EKORG'.
perform bdc_field       using 'MEPO1222-EKORG'
                              ITAB-EKORG.
perform bdc_field       using 'MEPO1222-EKGRP'
                              ITAB-EKGRP.
perform bdc_field       using 'MEPO1222-BUKRS'
                              ITAB-BUKRS.
perform bdc_field       using 'DYN_6000-LIST'
                              '                                      1'.
perform bdc_field       using 'BDC_OKCODE'
                              '=MEV4001BUTTON'.
perform bdc_dynpro      using 'SAPLMEGUI' '0014'.
perform bdc_field       using 'MEPO_TOPLINE-BSART'
                              'NB'.
perform bdc_field       using 'MEPO_TOPLINE-SUPERFIELD'
                              ITAB-SUPERFIELD.
perform bdc_field       using 'MEPO_TOPLINE-BEDAT'
                              '09.02.2007'.
perform bdc_field       using 'MEPO1222-EKORG'
                              ITAB-EKORG.
perform bdc_field       using 'MEPO1222-EKGRP'
                             ITAB-EKGRP.
perform bdc_field       using 'MEPO1222-BUKRS'
                             ITAB-BUKRS.
M = 1.
LOOP AT JTAB.
IF JTAB-N = A.
WRITE:/ JTAB.
CONCATENATE 'MEPO1211-EMATN(' M ')' INTO L_FNAM.
perform bdc_field       using 'BDC_CURSOR'
                              L_FNAM.
perform bdc_field       using L_FNAM
                              JTAB-EMATN.
CONCATENATE 'MEPO1211-MENGE(' M ')' INTO L_FNAM.
perform bdc_field       using L_FNAM
                              JTAB-MENGE.
CONCATENATE 'MEPO1211-NETPR(' M ')' INTO L_FNAM.
perform bdc_field       using L_FNAM
                              JTAB-NETPR.
CONCATENATE 'MEPO1211-NAME1(' M ')' INTO L_FNAM.
perform bdc_field       using L_FNAM
                              JTAB-NAME1.
M = M + 1.
ENDIF.
ENDLOOP.
perform bdc_field       using 'DYN_6000-LIST'
                              '                                      1'.
perform bdc_field       using 'BDC_OKCODE'
                              '/00'.
perform bdc_dynpro      using 'SAPLMEGUI' '0014'.
perform bdc_field       using 'MEPO_TOPLINE-BSART'
                              'NB'.
perform bdc_field       using 'MEPO_TOPLINE-SUPERFIELD'
                              ITAB-SUPERFIELD.
perform bdc_field       using 'MEPO_TOPLINE-BEDAT'
                              '09.02.2007'.
perform bdc_field       using 'MEPO1222-EKORG'
                              ITAB-EKORG.
perform bdc_field       using 'MEPO1222-EKGRP'
                              ITAB-EKGRP.
perform bdc_field       using 'MEPO1222-BUKRS'
                              ITAB-BUKRS.
perform bdc_field       using 'DYN_6000-LIST'
                              '                                      1'.
perform bdc_field       using 'BDC_CURSOR'
                              'MEPO1319-MATKL'.
perform bdc_field       using 'MEPO1319-SPINF'
                              'X'.
perform bdc_field       using 'BDC_OKCODE'
                              '=MESAVE'.
CALL FUNCTION 'BDC_INSERT'
EXPORTING
   TCODE                  = 'ME21N'
TABLES
    DYNPROTAB              = BDCTAB.
ENDLOOP.
CALL FUNCTION 'BDC_CLOSE_GROUP'.
FORM BDC_DYNPRO USING PROGRAM DYNPRO.
CLEAR BDCTAB.
BDCTAB-PROGRAM = PROGRAM.
BDCTAB-DYNPRO   = DYNPRO.
BDCTAB-DYNBEGIN = 'X'.
APPEND BDCTAB.
ENDFORM.
FORM BDC_FIELD USING FNAM FVAL.
    CLEAR BDCTAB.
    BDCTAB-FNAM = FNAM.
    BDCTAB-FVAL = FVAL.
    APPEND BDCTAB.
ENDFORM.
FLAT FILE:
H1171611000001*1000
ICPU116000*1000
ILEY BOARD1010000*1000
IMOUSE66000*1000
H1171711000001*1000
ICPU580000*1000
H1171701000001*1000
IMOUSE33000*1000
ILEY BOARD1010000*1000
reward if helpful.
rgds,
bharat.

Could anyone tell me what is a class

Hi gurus,
could anyone explain me in detail what does a class mean (se24) in sap and for what it is used? i have tried my best to know about it. it is like greek and latin to me.
Thanks in advance,
Ramana

Classes describe objects. From a technical point of view, objects are runtime instances of a class. In theory, you can create any number of objects based on a single class. Each instance (object) of a class has a unique identity and its own set of values for its attributes.
classes consist of ABAP source code, enclosed in the ABAP statements CLASS ... ENDCLASS. A complete class definition consists of a declaration part and, if required, an implementation part. The declaration part of a class <class> is a statement block:
CLASS <class> DEFINITION.
ENDCLASS.
It contains the declaration for all components (attributes, methods, events) of the class. When you define local classes, the declaration part belongs to the global program data. You should therefore place it at the beginning of the program.
If you declare methods in the declaration part of a class, you must also write an implementation part for it. This consists of a further statement block:
CLASS <class> IMPLEMENTATION.
ENDCLASS.
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Structure of a Class
The following statements define the structure of a class:
A class contains components
Each component is assigned to a visibility section
Classes implement methods
The following sections describe the structure of classes in more detail.
Class Components
The components of a class make up its contents. All components are declared in the declaration part of the class. The components define the attributes of the objects in a class. When you define the class, each component is assigned to one of the three visibility sections, which define the external interface of the class. All of the components of a class are visible within the class. All components are in the same namespace. This means that all components of the class must have names that are unique within the class.
There are two kinds of components in a class - those that exist separately for each object in the class, and those that exist only once for the whole class, regardless of the number of instances. Instance-specific components are known as instance components. Components that are not instance-specific are called static components.
In ABAP Objects, classes can define the following components. Since all components that you can declare in classes can also be declared in interfaces, the following descriptions apply equally to interfaces.
Attributes
Attributes are internal data fields within a class that can have any ABAP data type. The state of an object is determined by the contents of its attributes. One kind of attribute is the reference variable. Reference variables allow you to create and address objects. Reference variables can be defined in classes, allowing you to access objects from within a class.
Instance Attributes
The contents of instance attributes define the instance-specific state of an object. You declare them using the DATA statement.
Static Attributes
The contents of static attributes define the state of the class that is valid for all instances of the class. Static attributes exist once for each class. You declare them using the CLASS-DATA statement. They are accessible for the entire runtime of the class.
All of the objects in a class can access its static attributes. If you change a static attribute in an object, the change is visible in all other objects in the class.
Methods
Methods are internal procedures in a class that define the behavior of an object. They can access all of the attributes of a class. This allows them to change the data content of an object. They also have a parameter interface, with which users can supply them with values when calling them, and receive values back from them The private attributes of a class can only be changed by methods in the same class.
The definition and parameter interface of a method is similar to that of function modules. You define a method <met> in the definition part of a class and implement it in the implementation part using the following processing block:
METHOD <meth>.
ENDMETHOD.
You can declare local data types and objects in methods in the same way as in other ABAP procedures (subroutines and function modules). You call methods using the CALL METHOD statement.
Instance Methods
You declare instance methods using the METHODS statement. They can access all of the attributes of a class, and can trigger all of the events of the class.
Static Methods
You declare static methods using the CLASS-METHODS statement. They can only access static attributes and trigger static events.
Special Methods
As well as normal methods, which you call using CALL METHOD, there are two special methods called CONSTRUCTOR and CLASS_CONSTRUCTOR, which are automatically called when you create an object (CONSTRUCTOR) or when you first access the components of a class (CLASS_CONSTRUCTOR).
Events
Objects or classes can use events to trigger event handler methods in other objects or classes. In a normal method call, one method can be called by any number of users. When an event is triggered, any number of event handler methods can be called. The link between the trigger and the handler is not established until runtime. In a normal method call, the calling program determines the methods that it wants to call. These methods must exist. With events, the handler determines the events to which it wants to react. There does not have to be a handler method registered for every event.
The events of a class can be triggered in the methods of the same class using the RAISE EVENT statement. You can declare a method of the same or a different class as an event handler method for the event <evt> of class <class> using the addition FOR EVENT <evt> OF <class>.
Events have a similar parameter interface to methods, but only have output parameters. These parameters are passed by the trigger (RAISE EVENT statement) to the event handler method, which receives them as input parameters.
The link between trigger and handler is established dynamically in a program using the SET HANDLER statement. The trigger and handlers can be objects or classes, depending on whether you have instance or static events and event handler methods. When an event is triggered, the corresponding event handler methods are executed in all registered handling classes.
Instance Events
You declare instance events using the EVENTS statement. An instance event can only be triggered in an instance method.
Static Events
You declare static events using the CLASS-EVENTS statement. All methods (instance and static methods) can trigger static events. Static events are the only type of event that can be triggered in a static method.
See also Triggering and Handling Events.
Types
You can define your own ABAP data types within a class using the TYPES statement. Types are not instance-specific, and exist once only for all of the objects in a class.
Constants
Constants are special static attributes. You set their values when you declare them, and they can then no longer be changed. You declare them using the CONSTANTS statement. Constants are not instance-specific, and exist once only for all of the objects in a class.
Visibility Sections
You can divide the declaration part of a class into up to three visibility areas:
CLASS <class> DEFINITION.
PUBLIC SECTION.
PROTECTED SECTION.
PRIVATE SECTION.
ENDCLASS.
These areas define the external visibility of the class components, that is, the interface between the class and its users. Each component of a class must be assigned to one of the visibility sections.
Public Section
All of the components declared in the public section are accessible to all users of the class, and to the methods of the class and any classes that inherit from it. The public components of the class form the interface between the class and its users.
Protected Section
All of the components declared in the protected section are accessible to all methods of the class and of classes that inherit from it. Protected components form a special interface between a class and its subclasses. Since inheritance is not active in Release 4.5B, the protected section currently has the same effect as the private section.
Private Section
Components that you declare in the private section are only visible in the methods of the same class. The private components are not part of the external interface of the class.

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