Answer / sivaramakrishna

when we want to get the details based on a field in select
statement we should use always primary key fields to
improve the performence. but in any case needed to get
detais based on non primary key fields then we go for
secondary index . ie based on which non primary key fields
we need to fetch the data using select st for those fields
we create secondary index in sell.

Answer / abaprajaram

For Perfomance perspective to use two keys to read the data
in to the internal tables

What function does data dictionary perform?

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what is Composite key in table creation? what is the use?

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– Programming using BAPI : Create Debit Memo Request (DMR) with reference to Sales Order and update the delivery number and PO number in the newly created DMR. Send the spool of the report by E-mail if the E-mail option is enabled. Selection Screen Required:  Sales Org  Delivery type  Sales document type Optional:  Planned Goods movement date  Option to choose E-Mail  E-mail Address  Output device Output Output should display both successful and unsuccessful creation of DMR with the following fields,  Success/Error (S/E)  Sales Document number  Delivery number  New Debit memo request number  Error message Tables TVAK, TVCPA, VBAK, LIKP, LIPS

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