topic Re: data class in Application Development and Automation Discussions

data class

Former Member — Mon, 19 Jun 2006 10:19:22 GMT

Hi,

what is the exact purpose of using data class?

thanks,

kiran.M

Message was edited by: kiran machavarapu

Re: data class

Former Member — Mon, 19 Jun 2006 10:23:23 GMT

The data class defines the physical area of the database (for ORACLE the TABLESPACE) in which your table is logically stored. If you choose a data class correctly, your table will automatically be assigned to the correct area when it is created on the database.

The most important data classes are (other than the system data):

APPL0 Master data

APPL1 Transaction data

APPL2 Organizational and customizing data

Master data is data which is frequently read, but rarely updated. Transaction data is data which is frequently updated.Organizational und customizing data is data which is defined when the system is initialized and then rarely changed.

There are two more data classes available, USR and USR1. These are reserved for user developments. The tables assigned to these data classes are stored in a tablespace for user developments.

Note:The data class only has an effect on table storage for the database systems ORACLE and INFORMIX.

rgds,

Re: data class

Former Member — Mon, 19 Jun 2006 10:24:20 GMT

Hi Kiran,

Go through this link...

http://cma.zdnet.com/book/abap/ch05/ch05.htm#DataClass

Regards,

SP.

Re: data class

Former Member — Mon, 19 Jun 2006 10:25:19 GMT

Hi kiran,

1. Practically it has no purpose from abap

point of view.

2. Its important only if

, at the database storage level.

3. Databases like oracle,

store data in different

files (called datafiles / TABLE SPACE)

4. We can assign to any of them.

regards,

amit m.

Re: data class

Former Member — Mon, 19 Jun 2006 10:26:15 GMT

Hi,

By way of specifying the dataclass u can allot the space in database.According to the class the storage location will differ.

If it helps reward points.

Regards,

Nandha

Re: data class

Former Member — Mon, 19 Jun 2006 10:26:48 GMT

Hai Kiran

Go through the following Documrnt

The most important data classes are (other than the system data):

APPL0 Master data

APPL1 Transaction data

APPL2 Organizational and customizing data

There are two more data classes available, USR and USR1. These are reserved for user developments. The tables assigned to these data classes are stored in a tablespace for user developments.

Note:The data class only has an effect on table storage for the database systems ORACLE and INFORMIX.

Thanks & regards

Sreenivasulu P

Re: data class

sridharreddy_kondam — Mon, 19 Jun 2006 10:27:37 GMT

Hi Kiran,

Just goto SE11 and goto technical settings of any table and press F1 for field data class u will get all the needed information...

Regards,

sridhar