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A nightly job collects table row counts, index usage, and slow query samples, but no baseline is stored. After a release, DBAs cannot tell whether a 12-second query is new or normal for quarter-end. What maintenance improvement is needed?
Stop collecting metrics because they are confusing.
Store historical baselines and trends for key metrics and query performance.
Create a new database for every slow query.
Replace row counts with table-name length checks.
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