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When does Oracle stop adding rows to a block?
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Which portion of the data block stores information about the table having rows in this block?
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What is the minimum number of extents a rollback segment can have?
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Which data dictionary view would you query to see the free extents in a tablespace?
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6. Choose the statement used to manually de-allocate the extents used by a rollback segment. A. ALTER ROLLBACK SEGMENT R01 DEALLOCATE; B. ALTER ROLLBACK SEGMENT RO1 DROP EXTENTS; C. ALTER ROLLBACK SEGMENT RO1 SHRINK; D. ALTER ROLLBACK SEGMENT RO1 SIZE 10K.
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5. Which storage parameter is applicable only to rollback segments? A. PCTINCREASE B. MAXEXTENTS C. TRANASACTIONS D. None of the above.
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What happens if you create a rollback segment in the same tablespace where application data is stored? Choose the best answer. A. The tablespace will be fragmented. B. Performance improves, because when changes are made, undo information can be written to the same tablespace. C. There should be a minimum of two data files associated with the tablespaces when rollback segments are created. D. None of the above is true.
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Which parameter specifies the number of transaction slots in a data block?
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When a table is updated, where is the before image information (which can be used for undoing the changes) stored?
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Place the following logical storage structures in order-from the smallest logical storage unit to the largest. A. Segment B. Block C. Tablespace D. Extent
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19. If you issue ALTER TABLESPACE USERS OFFLINE IMMEDIATE, which of the following statements is true? A. All data files belonging to the tablespace must be online. B. Does not ensure that the data files are available. C. Need not doe media recovery when bringing the tablespace online. D. Need to do media recovery when bringing the tablespace online.
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How would you determine how much sort space is used by a user session?
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Which parameter specified in the DEFAULT STORAGE clause of CREATE TABLESPACE cannot be altered after creating the tablespace?
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What are the recommended INITIAL and NEXT values for a temporary tablespace, to reduce fragmentation?
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Which statement is true regarding the SYSTEM tablespace? A. Can be me made read only. B. Can be offline. T C. Data files can be renamed. D. Data files cannot be resized
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14. Which statement is false? A. Dictionary-managed temporary tablespace can be made permanent. B. The size of the locally managed temporary tablespace file cannot be changed. C. Once created, the extent management of a tablespace cannot be altered. D. A locally managed permanent tablespace cannot be made temporary.
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13. The database block size is 4KB. You created a tablespace using the following command. CREATE TABLESPACE USER_DATA DATAFILE ‘C:/DATA01.DBF’; If you create an object in the database without specifying any storage parameters, what will be the size of the third extent that belongs to the object?
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Which command is used to enable the auto-extensible feature for a file, if the file is already part of a tablespace?
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How would you drop a tablespace if the tablespace were not empty?
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Which operation is permitted on a read – only tablespace?
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