INSERT INTO Persons VALUES ('Jimmy', 'Jackson') Correct Answer! 17. With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table? You answered: INSERT INTO Persons (LastName) VALUES ('Olsen') Correct Answer! 18. How can you change "Hansen" into "Nilsen" in ...
IN (value1,value2,..) INSERT INTO INSERT INTO table_nameVALUES (value1, value2, value3,...) or INSERT INTO table_name(column1, column2, column3,...)VALUES (value1, value2, value3,...) INNER JOIN SELECT column_name(s)FROM table_name1INNER JOIN table_name2 ON table_name1.co...
varmysql=require('mysql');varcon=mysql.createConnection({host:"localhost",user:"myusername",password:"mypassword",database:"mydb"});con.connect(function(err){if(err)throwerr;console.log("Connected!");//Make SQL statement:varsql="INSERT INTO customers (name, address) VALUES ?";//Make an...
VALUESThe VALUES command specifies the values of an INSERT INTO statement.The following SQL inserts a new record in the "Customers" table:Example INSERT INTO Customers (CustomerName, ContactName, Address, City, PostalCode, Country) VALUES ('Cardinal', 'Tom B. Erichsen', 'Skagen 21', '...
NULL Values SQLNULL Values ❮ PreviousNext ❯ What is a NULL Value? A field with a NULL value is a field with no value. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field. Then, the field will be...
txtSQL = "INSERT INTO Customers (CustomerName,Address,City) Values(@0,@1,@2)";command = new SqlCommand(txtSQL); command.Parameters.AddWithValue("@0",txtNam); command.Parameters.AddWithValue("@1",txtAdd); command.Parameters.AddWithValue("@2",txtCit);command.ExecuteNonQuery();INSERT...
The following SQL statement finds the sum of thequantityfields in theorder_detailstable: Example Return the total amount of ordered items: SELECT SUM(quantity) FROM order_details; Run Example » Note:NULL values are ignored. Exercise?
INSERT INTOThe INSERT INTO command is used to insert new rows in a table.The following SQL inserts a new record in the "Customers" table:Example INSERT INTO Customers (CustomerName, ContactName, Address, City, PostalCode, Country) VALUES ('Cardinal', 'Tom B. Erichsen', 'Skagen 21', '...
INSERT INTO SELECT command copies data from one table and inserts it into another table. The following SQL copies "Suppliers" into "Customers" (the columns that are not filled with data, will contain NULL):Example INSERT INTO Customers (CustomerName, City, Country) SELECT SupplierName, City, ...
The GROUP BY clause groups rows that have the same values into summary rows, like "find the number of customers in each country".The GROUP BY clause is often used with aggregate functions like COUNT(), MAX(), MIN(), SUM(), AVG() to group the result-set by one or more columns....