A query that uses rows and columns in a table for statistics is a cross-tab query.
举一反三
- The following () does not belong to the operation query. A: Parameter query B: Generate table query C: Update query D: Delete query
- In Access2016, the data source of the query can be (). A: Table B: Query C: Table, query and report D: Table and query
- Which two statements are true regarding the execution of the correlated sub-queries?Choose two.() A: The nested query executes after the outer query returns the row. B: The nested query executes first and then the outer query executes C: The outer query executes only once for the result returned by the inner query. D: Each row returned by the outer query is evaluated for the results returned by the inner query
- If there is already a table with the same name existed in the database, to overwrite the original table by query, the query type that should be used is (). A: Delete B: Append C: Generate table D: Update
- Methods to query content-based video include ____________________, ____________________, ____________________, ____________________, ____________________ and Concept query (query by keyword).