Asp updating database from dropdown box
There are commonly used databases in our IT Zone SQL - Microsoft SQL Server Oracle - Oracle RDBMS or simply as Oracle MYSQL - Open Source Freeware MSACESS - Microsoft Access Postgre SQL - ORDBMS SAP - To manage customer relationship and other business operations Fox Pro - Database IBM DB2 - IBM Database by IBM Now in further we will try to understand about data manipulation statements i.e. Select statement let you to retrieve the data from the database table.
For ex : In simple words if you want to pick up single student record, multiple student records or all students records from the table database you just need to use "Select" statement.
Example "*" - Means All "students" - Data Table in a database.
In a single database we can create any number of data tables.
student ID, student Name, student Address and in a single data table we can store data for specific topic.
Like to store student's records you can have students data table, For school accounts you can have accounts data table, For school results you can have results data table.
Open Up Connection to Database First thing we need to open up a connection to a database.
So let’s do that step by step In cs file import the SQL namespaces on top .
Note: For numeric data we dont use (" ") inverted comma and for string data we use (" ") inverted comma .