1/25With SQL, how do you select all the columns from a table named "Products"?
2/25Which SQL statement is applied for updating data in a database?
3/25What SQL statement is used to extract data from a database?
4/25Once AUTOCOMMIT is set on, changes will be made automatically at the end of every SQL statement.
5/25Which of the following is true about CASE SQL statement?
6/25Which of the following statements is true about systems information in an RDBMS?
7/25Which of the terms below is used to describe a database that occupies magnetic storage in the terabyte range, as well as to describe a database that contains billons of table rows?
8/25Which of the following is an open standard application programming interface(API) for accessing a database?
9/25How do you use a subquery to find names of customers who have placed orders in an 'Orders' table?
10/25How do you create a new table named 'Employees' with columns 'EmployeeID' (integer) and 'EmployeeName' (varchar)?
11/25How do you create an index on the 'EmployeeName' column of the 'Employees' table for faster queries?
12/25What is the result of executing a SQL statement that includes a WHERE clause with a non-existent value?
13/25Which of the following is a valid SQL aggregate function?
14/25Which SQL statement is used to return the number of records in the 'Employees' table?
15/25What is the result of the following query: SELECT COUNT(DISTINCT EmployeeName) FROM Employees?
16/25Which SQL function is used to return the current date and time?
17/25Which SQL clause is used to filter the results of a GROUP BY operation?
18/25How do you delete a table named 'TemporaryData' only if it exists in the database?
19/25What is the primary purpose of the SQL 'INNER JOIN' clause?
20/25In SQL, which command is used to change the structure of a table such as adding a column or changing a column type?
21/25What does the SQL 'UNION' operator do?
22/25How can you retrieve unique values from the column 'EmployeeName' of the 'Employees' table?
23/25Which of the following is a valid type of SQL join?
24/25How can you insert multiple rows into a table named 'Orders'?
25/25What does the SQL 'CROSS JOIN' clause do?
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