Oracle Certification Interview Question:

Explain Which three statements are true regarding the data types in Oracle Database 10g/11g? (Choose
two.)
A. Only One LONG column can be used per table
B. A TIMESTAMP data type column stores only time values with fractional seconds
C. The BLOB data type column is used to store binary data in an operating system file
D. The minimum column width that can be specified for a VARCHAR2 data type column is one
E. The value for a CHAR data type column is blanked-padded to the maximum defined column
width

Submitted by: Administrator

A. Only One LONG column can be used per table
D. The minimum column width that can be specified for a VARCHAR2 data type column is one
E. The value for a CHAR data type column is blanked-padded to the maximum defined column
width
Submitted by: Administrator

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Which three statements are true regarding subqueries? (Choose three.)
A. Subqueries can contain GROUP BY and ORDER BY clauses
B. Main query and subquery can get data from different tables
C. Main query and subquery must get data from the same tables
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E. Only one column or expression can be compared between the main query and subqeury
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Explain Which two statements are true regarding single row functions? (Choose two.)
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C. CURRVAL is used to refer to the last sequence number that has been generated
D. When the MAXVALUE limit for a sequence for reached, you can increase the MAXVALUE limit
by using the ALTER SEQUENCE statement
E. When a database instance shuts down abnormally, the sequence numbers that have been
cached but not used would be available once again when the database instance is restarted

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Oracle Certification Interview Question:

Top Oracle Certification Questions

Explain Which three statements/commands would cause a transaction to end? (Choose three.)
A. COMMIT
B. SELECT
C. CREATE
D. ROLLBACK
E. SAVEPOINT

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