W3Schools SQL QuizSQL QUIZPoints: 25 out of 25 1. What does SQL stand for? You answered: Structured Query Language Correct Answer! 2. Which SQL statement is used to extract data from a database? You answered: SELECT Correct Answer! 3. Which SQL statement is used to update data in ...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
What is the primary purpose of the SQL SELECT INTO statement? To update data in an existing table To copy data from one table into a new table To delete data from a table To create an index on a table Submit Answer » What is an Exercise? Test what you learned in the chapter: ...
Example UPDATE Customers SET ContactName='Juan' WHERE Country='Mexico'; Try it Yourself » Note: Be careful when updating records in a table! Notice the WHERE clause in the UPDATE statement. The WHERE clause specifies which record(s) that should be updated. If you omit the WHERE clause...
You can delete an existing table by using the "DROP TABLE" statement: ExampleGet your own Python Server Delete the table "customers": importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword", ...
Database.Execute(SQLstatement [, parameters]) Executes SQLstatement (with optional parameters) such as INSERT, DELETE, or UPDATE and returns a count of affected records. Database.GetLastInsertId() Returns the identity column from the most recently inserted row. Database.Open(filename) Database....
Exercise: SQL Group ByWhich aggregate functions are commonly used with the GROUP BY statement? COUNT(), MAX(), MIN(), SUM(), AVG() SELECT(), INSERT(), UPDATE(), DELETE() JOIN(), UNION(), INTERSECT(), EXCEPT() HAVING(), WHERE(), ORDER BY(), DISTINCT()...
The following SQL statement finds the sum of the quantity fields in the order_details table:Example Return the total amount of ordered items: SELECT SUM(quantity) FROM order_details; Run Example » Note: NULL values are ignored.Exercise? True or False.The SUM function can only be used ...
Exercise: SQL Insert IntoWhat is the purpose of the SQL INSERT INTO statement? To update records in a table To delete records from a table To add new records to a table To retrieve records from a tableSubmit Answer » What is an Exercise? Test what you learned in the chapter: SQL ...
Exercise? Which aggregate functions are commonly used with the GROUP BY statement? COUNT(), MAX(), MIN(), SUM(), AVG() SELECT(), INSERT(), UPDATE(), DELETE() JOIN(), UNION(), INTERSECT(), EXCEPT() HAVING(), WHERE(), ORDER BY(), DISTINCT()Submit Answer »...