Fill in the blank: The SQL command _____ combines table rows with the same values into summary rows. 1 pointWITHTABLEORDER BYGROUP BY
Question
Fill in the blank:
The SQL command _____ combines table rows with the same values into summary rows.
1 point
- WITHTABLE
- ORDER BY
- GROUP BY
Solution
Break Down the Problem
- Identify the purpose of the SQL command in question.
- Assess the options provided to find the correct SQL command.
Relevant Concepts
- SQL commands are used to query and manipulate data in a database.
- Each option represents a different SQL function:
- WITHTABLE: This is not a recognized SQL command.
- ORDER BY: This command orders the results based on one or more columns but does not combine rows.
- GROUP BY: This SQL command groups rows that have the same values in specified columns, often used with aggregate functions to summarize data.
Analysis and Detail
- WITHTABLE: This is not a standard command in SQL.
- ORDER BY: While important for sorting data, it does not combine rows or create summary information.
- GROUP BY: This command is specifically designed to group rows sharing the same values. For example, using
SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name;
generates summary rows based on the values incolumn_name
.
Verify and Summarize
Upon analyzing the definitions and purposes of each option, it is clear that GROUP BY is the command that combines table rows with the same values into summary rows.
Final Answer
GROUP BY
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