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Related Questions |
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What clause is in the ALTER TABLE command is used to reorganize a table?
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Which keyword is not valid of the BUFFER_POOL parameter of the STORAGE clause?
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When validating a constraint, why would you specify the EXCEPTIONS clause?
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A table is created with an INITRANS value of 2. Which value would you choose for INITRANS of an index created on this table?
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Fill in the blank: The parameter MAXTRANS specifies the maximum number of concurrent transactions per ___________________.
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How does Oracle determine the extent sizes for a temporary segment?
A. From the initialization parameters B. From the tables involved in the sort operation C. Using the default storage parameters for the tablespace D. The database block size
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Which of the following statements may require a temporary segment?
a. CREATE TABLE b. CREATE INDEX c. UPDATE d. CREATE TABLESPACE
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Which two initialization parameters are used by ORACLE to determine the number of rollback segments required for an instance?
a. ROLLBACK_SEGMENTS b. TRANSACTIONS c. TRANSACTIONS_PER_ROLLBACK_SEGMENT d. PROCESSES
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What can cause the Snapshot too old error?
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What is row migration?
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Which data dictionary view can be queried to see the OPTIMAL value for a rollback segment?
A. DBA_ROLLBACK_SEGS B. V$ROLLSTAT C. DBA_SEGMENTS D. V$ROLLNAME
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What is the default value of PCTFREE?
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How can you fix the MAXEXTENTS reached error for a rollback segment?
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What type of rollback segment is used if a tablespace containing an active transactions taken offline?
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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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