You create a locally managed tablespace ORDERS_TBS with automatic segment management.
You then create the table DAILY_ORDS_LST in the ORDERS_TBS tablespace using the command.
CREATE TABLE daily_ords_1st(ordno NUMBER, ord_date DATE) PCTFREE 20;
How does the PCTFREE storage parameter influence data storage for this table?
A. It allows only 80% of space to be occupied in all data blocks of this table.
B. It minimizes row chaining during row insertion.
C. It minimizes row migration during existing row data updation.
D. It automatically coalesces free space of a data block when it reaches 20% of available space
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C -> correct
A is wrong because there is no guarantee of space occupied (PCTUsed is ignored with ASSM)
C
The PCTFREE parameter is used to set the percentage of a block to be reserved for possible updates to rows that already are contained in that block.