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H13-831_V2.0 · Question #3824
H13-831_V2.0 Question #3824: Real Exam Question with Answer & Explanation
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Question
During full data synchronization, DRS shards tables with a large number of records and uses multi- threaded concurrent synchronization to improve efficiency. Tables are typically sharded by primary key, and each shard holds 520,000 records by default. During data synchronization, Xiao Ming discovered that a large table T1 with a primary key had been sharded. However, some shards held more than 520,000 records, while others held less than 520,000. Which of the following options are possible causes? (Multiple choice)
Options
- AThere is an error in DRS data sharding
- BThe table is sharded with 520,000 records. The number of records remaining in the last shard may be
- CThe actual number of shards for all primary key tables in DRS may exceed 520,000.
- DThe primary key of table T1 is a composite primary key
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