DROP INDEX DROP INDEX table_name.index_name (SQL Server)DROP INDEX index_name ON table_name (MS Access)DROP INDEX index_name (DB2/Oracle)ALTER TABLE table_nameDROP INDEX index_name (MySQL) DROP TABLE DROP TABLE table_name EXISTS IF EXISTS (SELECT * FROM table_name WHERE id = ?)BEGIN-...
You answered: True Correct Answer! 24. Which operator is used to search for a specified pattern in a column? You answered: LIKE Correct Answer! 25. Which SQL statement is used to create a table in a database? You answered: CREATE TABLE Correct Answer!分类...
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...
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Languages:C++, Java, PHP, SQL, Javascript, CSS, HTML Posted April 23, 2016 The error message is saying that cowpies is not an image element. You can only draw image elements onto the canvas. When you called cowpies.push(new Cowpie); you added something that was not an image to...
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.
TheCREATE TABLEcommand creates a new table in the database. The following SQL creates a table called "Persons" that contains five columns: PersonID, LastName, FirstName, Address, and City: Example CREATETABLEPersons ( PersonID int, LastName varchar(255), ...
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.
varmysql=require('mysql');varcon=mysql.createConnection({host:"localhost",user:"myusername",password:"mypassword",database:"mydb"});con.connect(function(err){if(err)throwerr;console.log("Connected!");//Add primary key to an existing table:varsql="ALTER TABLE customers ADD COLUMN id INT...
❮ PreviousNext ❯ SUM TheSUM()function returns the total sum of a numeric column. The following SQL statement finds the sum of thequantityfields in theorder_detailstable: Example Return the total amount of ordered items: SELECT SUM(quantity) ...