Western Governors University (WGU) ITEC2104 C175 Data Management - Foundations Practice Exam

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What does the SQL command "SELECT * FROM Customers;" do?

Deletes all records from Customers

Returns all records from the Customers table

The SQL command "SELECT * FROM Customers;" retrieves and displays all the records from the Customers table in a database. The wildcard character (*) indicates that all columns in the table should be selected, meaning that every piece of information available about each customer will be included in the output. This command is fundamental in SQL as it allows users to quickly view all the data stored in a specific table without needing to specify each column name individually.

Other options describe operations that do not match what the SELECT statement is designed to do—such as deleting records, creating new tables, or updating existing records—which involve different SQL commands. Hence, the focus of the SELECT statement solely on data retrieval aligns with the stated functionality of returning all records from the Customers table.

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Creates a new Customers table

Updates all records in the Customers table

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