SAP DDIC DATABASE TABLES SIZ CAT

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ABAP_DDIC - Size Category of Database Tables
The size category affects the size of the initial memory area reserved for the table on the database. Values between 0 and 9 can be specified and intervals of expected rows are assigned to these values. The interval limits assigned to each size category depend on the structure of the DDIC database table. The range can extend from approximately 1000 rows in size category 0 to several million rows in size category 9. If the initial space reserved is exceeded, a new memory area is added implicitly in accordance with the chosen size category.



Latest notes:

An appropriate size category should be chosen, to prevent too many small memory areas or a memory area that is too big.
NON_V5_HINTS

In transaction SE11, the input help for Size Category in technical settings shows the interval limits valid for the current DDIC database table.
ABAP_HINT_END

ABAP_EXAMPLE_VX5
The following table shows the interval limits assigned to each size category for the DDIC database table SPFLI. Size CategoryExpected Rows
0 0 to 3,600
1 3,600 to 14,000
2 14,000 to 58,000
3 58,000 to 230,000
4 230,000 to 930,000
5 930,000 to 1,800,000
6 1,800,000 to 3,700,000
7 3,700,000 to 7,400,000
8 7,400,000 to 14,000,000
9 14,000,000 to 590,000,000
ABAP_EXAMPLE_END