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Your JDBC code may throw the following exception:
"The coordinator has rolled back the transaction.No further JDBC access is permitted within this transaction." The WebLogic JTS JDBC driver throws this exception when the present JDBC connection transaction rolls back prior to or throughout the JDBC call. This exception shows that the transaction in which the JDBC connection was participating was rolled back at some point prior to or through the JDBC call.The rollback may have happened in an previous EJB invoke that was part of the transaction, or the rollback may have happened because the transaction timed out. In either case, the transaction will be rolled back, the connection returned to the pool and the database resources released.
Make a data structure to store information about the elements in the periodic table of elements. For each element, store the name, atomic number, chemical symbol, class, atomic we
Name and explain the popular techniques to identify free memory areas as a result of allocation and de-allocations in a heap. Two well-liked techniques to identify free memory
Q. Binary floating-point number range? Smallest Negative number Maximum mantissa and maximum exponent = - (1 -2 -24 ) × 2 127 Largest negative number
What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. I/O buffer: One type of input-output requirement arises from d
State about the Logic Micro-operations These operations are performed on binary data stored in register. For a logic micro-operation each bit of a register is treated as a diff
Q. Convert the following into SOP form 1. (A+B) (B'+C) (A'+ C) 2. (A+C) (AB'+AC) (A'C'+B) 3. (A'+B') (C'+B) Q.Convert the following into POS form 1. WYZ + XYZ + W'X'
Define asynchronous bus. Asynchronous buses are the ones in which every item being transferred is accompanied by a control signal that shows its presence to the destination uni
Explain about the value chain for a manufactured product. The products sold in shops and purchased for use within organizations are the result of a complicated web of relations
frequency tracking
One of the most important competitive strategies for E-Businesses today is business process reengineering. BPR is more than automating business processes to make modest improvement
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