Some Keywords in SAP ABAP.

Some Keywords in SAP ABAP.

Some Keywords in SAP ABAP.

Ans: 

Append:

It is the keyword used to append record by record from work area to at last record of the

internal table. Syntax: APPEND <gs_dbtab> TO <gt_dbtab>.

Insert:

This statement is used to insert a new record at any position of an internal table.

Syntax : INSERT <gs_final> INDEX <n>? SY-TABIX.

Collect:

It also used like an APPEND statement. This statement is used to compare character/string

fields data & summarizes the numeric field data. It is used to display sub-totals .

Syntax : COLLECT <gs_source> INTO <gs_collect>.

Lines:

It is the keyword which returns no of records available in the internal table.

Occurs:

It is the keyword; it allocates 8KB of memory for the internal table by default. If the data in the

Internal table exceeds 8KB then it will bring one more 8KB of memory & so on up to 2GB.

Clear: 

It clears the contents of the work area & internal table with header line ITAB[ ] & variables

Refresh: 

It clears the contents of the internal table only.

Free: 

It clears the contents of internal table along with allocated memory.