DELETE FROM table_name (Note: Deletes the entire table!!) DELETE * FROM table_name (Note: Deletes the entire table!!) DROP DATABASE DROP DATABASE database_name DROP INDEX DROP INDEX table_name.index_name (SQL S
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18. How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table? You answered: UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen' Correct Answer! 19. With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?
DELETEThe DELETE command is used to delete existing records in a table.The following SQL statement deletes the customer "Alfreds Futterkiste" from the "Customers" table:Example DELETE FROM Customers WHERE CustomerName='Alfreds Futterkiste'; Try it Yourself » ...
connect(function(err) { if (err) throw err; /*Delete the "customers" table, but only if it already exist (to avoid errors):*/ var sql = "DROP TABLE IF EXISTS customers"; con.query(sql, function (err, result) { if (err) throw err; console.log(result); }); }); { ...
To create a new table in a database To insert data into a table To join a table To delete a table from a databaseSubmit Answer » What is an Exercise? Test what you learned in the chapter: SQL Create Table by completing 5 relevant exercises. To try more SQL Exercises please visit...
ALTER TABLE cars ADD color VARCHAR(255); Result ALTER TABLE Display Table To check the result we can display the table with this SQL statement: Example SELECT * FROM cars; Run Example » As you can see, thecarstable now has acolorcolumn. ...
The following SQL statement drops the existing table "Shippers": Example DROPTABLEShippers; MySQL TRUNCATE TABLE TheTRUNCATE TABLEstatement is used to delete the data inside a table, but not the table itself. Syntax TRUNCATETABLEtable_name;
Delete the table "customers" if it exists: importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword", database="mydatabase" ) mycursor =mydb.cursor() sql ="DROP TABLE IF EXISTS customers" ...