SQL 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 a database? You ...
connect(function(err) { if (err) throw err; //Update the address field: var sql = "UPDATE customers SET address = 'Canyon 123' WHERE address = 'Valley 345'"; con.query(sql, function (err, result) { if (err) throw err; console.log(result.affectedRows + " record(s) updated"); ...
var sql = "UPDATE customers SET address = 'Canyon 123' WHERE address = 'Valley 345'"; con.query(sql, function (err, result) { if (err) throw err; console.log(result.affectedRows + " record(s) updated"); }); }); Run example » Notice...
adCmdTable 2 Evaluates CommandText as a table name whose columns are all returned by an internally generated SQL query. adCmdStoredProc 4 Evaluates CommandText as a stored procedure name. adCmdUnknown 8 Indicates that the type of command in the CommandText property is not known. adCmdFile 256 Evalu...
Database.QuerySingle(SQLstatement [, parameters]) Executes SQLstatement (with optional parameters) and returns a single record. Database.QueryValue(SQLstatement [, parameters]) Executes SQLstatement (with optional parameters) and returns a single value.❮...
cursor()sql = "DROP TABLE customers"mycursor.execute(sql) Run example » Drop Only if ExistIf the table you want to delete is already deleted, or for any other reason does not exist, you can use the IF EXISTS keyword to avoid getting an error....