query(sql, function (err, result) { if (err) throw err; console.log(result); }); }); { fieldCount: 0, affectedRows: 0, insertId: 0, serverstatus: 2, warningCount: 1, message: '', protocol41: true, changedRows: 0}
Write SQL StatementsOur database is empty, so we cannot query any tables yet, but we can check the version with this SQL statement:SELECT version(); To insert SQL statements in the Query Tool, just write in the input box like this:...
SQL parameters are values that are added to an SQL query at execution time, in a controlled manner. ASP.NET Razor Example txtUserId = getRequestString("UserId"); txtSQL = "SELECT * FROM Users WHERE UserId = @0"; db.Execute(txtSQL,txtUserId); ...
QuerySet Introduction QuerySet Get QuerySet Filter QuerySet Order By Static FilesAdd Static Files Install WhiteNoise Collect Static Files Add Global Static Files Add Styles to the Project PostgreSQLPostgreSQL Intro Create AWS Account Create Database in RDS Connect to Database Add Members Deploy Django...
Database.Query(SQLstatement[, parameters]) Queries the database using SQLstatement (optionally passing parameters) and returns the results as a collection. Database.QuerySingle(SQLstatement [, parameters]) Executes SQLstatement (with optional parameters) and returns a single record. Database.QueryVal...
ExampleGet your own Python Server Create a collection called "customers": importpymongo myclient = pymongo.MongoClient("mongodb://localhost:27017/") mydb = myclient["mydatabase"] mycol = mydb["customers"] Run example » Important:In MongoDB, a collection is not created until it gets co...
ExampleGet your own Python Server Delete the table "customers": importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword", database="mydatabase" ) mycursor =mydb.cursor() sql ="DROP TABLE customers" ...
When executing a query, a result object is returned.The result object contains information about how the query affected the table.The result object returned from the example above looks like this:{ fieldCount: 0, affectedRows: 1, insertId: 0, serverStatus: 34, warningCount: 0, message: '(...