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.
Delete statement helps to delete one or more records from the database table depending on condition. Example "Where student ID = 1 " - It is a condition, means delete student record whose ID number is = 1.
When we have a website or an application associated with database (Sql, Oracle, Mysql and so on) then to do manipulation (i.e.
First Right click on the database name then click on the properties (Alt Enter).
So let’s do that step by step In cs file import the SQL namespaces on top .We will not get into more detailed explanation about the database but just a breif for undertsanding.Database is a collection of data stored in a computer disc space or server space.Displaying records on to grid view After opening up the sql connection, Let's write the Select statement in the sql command and the execute the sql query using sql command execute reader and append it to grid view data source as shown below.Output Step 6 Inserting a new record using Insert Statement To add new record to the database we will use the following form that we have created in our file. Text are the form input name to take form input data.