TSQL A Simple Example Using a Cursor Steve Stedman
Sql Server Cursor Example. Ad database tool that is tailored to suit specific needs of sql developers. Learn more about sql server cursors.
TSQL A Simple Example Using a Cursor Steve Stedman
Works with any relational db in a smart way. Cursor is supported in all sql server versions i.e. We’ll use the print command to print combinations in each pass of the loop. While @@fetch_status = 0 begin print @product_name + cast (@list_price as varchar);. The query declares a sample_cursor to iterate through sales.salesorderdetail table. Here is a sql cursor example code created for looping through a list of records as a result of a select query, which enables the sql developer to execute a stored procedure for each row in the cursor which use the values fetched by the cursor as the input arguments. The sql codes may use t. A cursor in sql server is a database object that allows us to retrieve each row at a time and manipulate its data. Thus, we can iterate through a cursor while @@fetchstatus =0. Declare vendor_cursor cursor for select vendorid, name from purchasing.vendor where preferredvendorstatus = 1 order by vendorid;
Here mudassar ahmed khan has provided a tutorial with simple example that explains how to use cursor in sql server stored procedures. A cursor in sql server is a database object that allows us to retrieve each row at a time and manipulate its data. Declare @vendor_id int, @vendor_name nvarchar(50), @message varchar(80), @product nvarchar(50); We normally loop through dml statement inside cursor, before you write cursor, you need to know following few key characteristic of sql cursor. Declare @product_name varchar(max), @list_price decimal; It is usually a collection of sql logic that loops through a predetermined number of rows one by one. Cursor is supported in all sql server versions i.e. Fetch next from the cursor into list_of_variables; Example fetch syntax is as: Sometimes the application logic needs to work in singleton fashion in shorts row by row basis with one row at a time rather than the entire result set at once. Works with any relational db in a smart way.
