SQL Tutorial SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL Order By SQL And SQL Or SQL Not SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Aggregate Functions SQL Min and Max SQL Count SQL Sum SQL Avg SQL Like SQL Wildcards SQL ...
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...
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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}
SQL NULL Values❮ Previous Next ❯ 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 saved with ...
In the next chapters we will use the SQL Shell application to create tables and insert data into the database. If you want to use the pgAdmin interface instead, you can run all the SQL statements there, you should get the same result. ...
INSERT INTO STATEMENT IN ASP.NET: txtNam = getRequestString("CustomerName"); txtAdd = getRequestString("Address"); txtCit = getRequestString("City"); txtSQL = "INSERT INTO Customers (CustomerName,Address,City) Values(@0,@1,@2)"; ...
SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL Order By SQL And SQL Or SQL Not SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Aggregate Functions SQL Min and Max SQL Count SQL Sum SQL Avg SQL Like SQL Wildcards SQL In SQL Between...
insertId: 0, serverStatus: 34, warningCount: 0, message: '(Rows matched: 1 Changed: 1 Warnings: 0', protocol41: true, changedRows: 1} The values of the properties can be displayed like this:Example Return the number of affected rows: console.log(result.affectedRows) Which...
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" ...