When designing a certain collection of Solr, you need to design its Schema, and realize the design of the Schema by configuring the schema.xml file. What is wrong about the Schema statement below?

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Options

• ASchema is similar to the table structure in a relational database. It is used to define the structure
• BFor fields that do not need to store the original value, the stored attribute can be set to false.
• CFor a field of the same document, there are multiple values, and they all need to be retained, then
• DcopyField can be defined as follows:

• A
  5% (3)
• B
  8% (5)
• C
  16% (10)
• D
  71% (45)

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