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Which of the following allows phantom read in JDBC, connection class?
A) TRANSACTION_READ_UNCOMMITTEDB) TRANSACTION_READ_ COMMITTEDC) TRANSACTION_SERIALIZABLED) TRANSACTION_REPEATABLE_READ.Explanation: A phantom read is where one transaction reads all rows that satisfy a WHERE condition, a second transaction inserts a row that satisfies that WHERE condition, and the first transaction re-reads for the same condition, retrieving the additional 'phantom' row in the second...
sanky
- Jun 3rd, 2014
Charankk, please read question carefully. We need ans for which allows phantom read. We dont need ans for which does not allows. Ans is A,B,D
pradeepkmr18
- Jul 3rd, 2008
These will allow phanthom readRead_uncommitedRead_commitedRepeatable_read
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Which Driver is preferable for using JDBC API in Applets.
A) Type - 1B) Type - 2C) Type - 3D) Type � 4
Hema chandra Reddy
- May 15th, 2006
Hi Type -4 is the best use
ak40732
- Mar 21st, 2006
As we know that applets has many restrictions on the remote machine on which they are executed.But they can make connections to the server from which they have been originated.As the database obviousl...
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State true or false.Is the JDBC-ODBC bridge multithreaded ?
A) TrueB) FalseExplanation: The JDBC-ODBC Bridge uses synchronized methods to serialize all of the calls that it makes to ODBC. Multi-threaded Java programs may use the Bridge, but they won't get the advantages of multi-threading
ZUBED
- Aug 5th, 2015
FALSE
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Which of the following statements is true regarding the failing of the class.forName in jdk 1.1.x.
A) A workaround is to explicitly call the method DriverManager.registerDriver(new YourDriverClass).B) The problem is due to race condition in the class loader.C) The race condition prevents the static section of code in the driver class from executing and registering the driver with the DriverManager.D) All the above.
