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how many types of tables are there in 4.6 c ?

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  • author's profile photo Former Member
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    Posted on Apr 22, 2007 at 04:09 PM

    Hi Mrudula,

    There are three types of tables.

    1. Transparent Tables 2.Pooled Tables and 3.Cluster Tables

    For more information on these tables, please refer the SAP documentation for better understanding.

    Hope this helps.

    Please reward if useful.

    Thanks,

    Srinivasa

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  • author's profile photo Former Member
    Former Member
    Posted on Apr 23, 2007 at 03:01 AM

    hi naga,

    U have 3 Tables.....transparent table, pool table n cluster table....

    N if u want to know how many total no: of table sr in ABAP then they r 93,000 table in SAP-ABAP.

    hope ur dout has been cleared.

    if so reward with points,

    with regards,

    madhuri.

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  • author's profile photo Former Member
    Former Member
    Posted on Apr 23, 2007 at 03:28 AM

    Hi

    1. Transparent Tables

    2.Pooled Tables

    3.Cluster Tables

    Sandeep

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  • author's profile photo Former Member
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    Posted on Apr 23, 2007 at 03:33 AM

    Hi,

    Check this thread :

    types-of-tables

    Regards,

    Rohit

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  • author's profile photo Former Member
    Former Member
    Posted on Apr 23, 2007 at 03:35 AM

    <u><i><b>1. Transparent Table</b></i></u>

    Exists with the same structure both in dictionary as well as in database exactly with the same data and fields.

    <u><i><b>2. Pooled Table</b></i></u>

    Pooled tables are logical tables that must be assigned to a table pool when they are defined. Pooled tables are used to store control data. Several pooled tables can be cominied in a table pool. The data of these pooled tables are then sorted in a common table in the database.

    3<u><i><b>. Cluster Table</b></i></u>

    Cluster tables are logical tables that must be assigned to a table cluster when they are defined. Cluster tables can be used to strore control data. They can also be used to store temporary data or texts, such as documentation.

    The major difference between transparent tables, pooled tables and clusterd Tables are:

    A transparent table is a table that stores data directly. You can read these tables directly on the database from outside SAP with for instance an SQL statement.

    Transparent table is a one to one relation table i.e. when you create one transparent table then exactly same table will create in data base and if is basically used to store transaction data.

    A clustered and a pooled table cannot be read from outside SAP because certain data are clustered and pooled in one field.

    One of the possible reasons is for instance that their content can be variable in length and build up. Database manipulations in Abap are limited as well.

    But pool and cluster table is a many to one relationship table. This means many pool table store in a database table which is know as table pool.

    All the pool table stored table in table pool does not need to have any foreign key relationship but in the case of cluster table it is must. And pool and cluster table is basically use to store application data.

    Table pool can contain 10 to 1000 small pool table which has 10 to 100 records. But cluster table can contain very big but few (1 to 10) cluster table.

    For pool and cluster table you can create secondary index and you can use select distinct, group for pool and cluster table. You can use native SQL statement for pool and cluster table.

    A structure is a table without data. It is only filled by program logic at the moment it is needed starting from tables.

    A view is a way of looking at the contents of tables. It only contains the combination of the tables at the basis and the way the data needs to be represented. You actually call directly upon the underlying tables.

    more info

    http://help.sap.com/saphelp_erp2004/helpdata/en/81/415d363640933fe10000009b38f839/frameset.htm

    http://cma.zdnet.com/book/abap/ch03/ch03.htm

    Check this links.

    http://help.sap.com/saphelp_40b/helpdata/en/4f/991f82446d11d189700000e8322d00/applet.htm

    http://www.techinterviews.com/?p=198

    Hope this will help.

    navjot

    reward points if helpfull

    Message was edited by:

    navjot sharma

    Message was edited by:

    navjot sharma

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