Final answer:
Control on an indexer refers to the parameters or algorithms that direct how an indexing tool functions within a computer system or database, from data organization to update frequency.
Step-by-step explanation:
The term 'control on an indexer' is likely referring to a mechanism in a computer system or database that indexes data. An indexer in computing is a tool that compiles data from various sources and arranges it in an index to improve search efficiency.
The control aspect would be the parameters or algorithms that manage how the indexer operates, including what data to index, how to sort it, and when to update the indexed information.
For example, in the context of a database management system, control on an indexer might involve specifying which columns of a table to index, setting the frequency of index updates, or choosing the type of indexing method used, such as B-tree or hash indexing.
These controls are essential for ensuring efficient data retrieval and optimizing the performance of the database system.
With control on an indexer, you can specify the criteria for indexing, such as the fields to be indexed, the text to be included or excluded, and the weighting of different elements. Additionally, you can define how the index is updated, optimized, and searched. This control allows you to customize the indexing process to meet specific requirements.