To answer this question, you need to understand different methods for resizing partitions of an input data set.

Option A) Range - This option is incorrect because the range method is used to divide a data set into partitions based on a specified range of values. It is not specifically designed for resizing partitions that are not equal in size.

Option B) Round Robin - This option is correct. The round robin method is a useful technique for resizing partitions of an input data set that are not equal in size. In this method, each partition is allocated an equal amount of data in a cyclic manner. This ensures that each partition receives a fair share of the data, even if the partitions have different sizes.

Option C) Hash - This option is incorrect. The hash method is used to allocate data to partitions based on a hash function. It is not specifically designed for resizing partitions that are not equal in size.

Option D) Same - This option is incorrect because the "Same" method implies that all partitions will have the same size. It is not suitable for resizing partitions that are not equal in size.

The correct answer is B) Round Robin. This option is correct because the round robin method is specifically designed for resizing partitions of an input data set that are not equal in size.

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To answer this question, we need to understand the different execution modes in Datastage 8.5 and their implications.

A. Combinability mode - This mode allows the XML stage to combine the data from multiple partitions into a single output file. However, in Datastage 8.5, the XML stage does not support the combinability mode.

B. Parallel mode - This mode allows for parallel processing of data across multiple partitions. However, it does not address the requirement of creating a single XML document with data from multiple partitions.

C. Impersonation mode - This mode is not directly related to the requirement of creating a single XML document with data from multiple partitions.

D. Sequential mode - This mode processes the data sequentially, meaning it processes one partition at a time. In this mode, the XML stage can be used to create a single XML document with data from multiple partitions. Therefore, the correct answer is D.

The correct answer is D.

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