Updating table while open cursor gr flirt dating meeting
To begin with we'll declare a couple of variables and set their default values.The first variable will hold the running total of Oscars while the second will be used to read each individual film's Oscars as the cursor moves through the record set.Cursors are a looping construct built inside the database engine and come with a wide variety of features.Cursors allow you to fetch a set of data, loop through each record, and modify the values as necessary; then, you can easily assign these values to variables and perform processing on these values.This in turn executed the declared HANDLER, which interrupted the function(!) and set the variable 'done' to true - after the first itteration the loop was acting as if the end of the data was hit.You should take this approach in most circumstances, as you'll potentially see performance gains when switching from a looping construct to a set-based construct.There are situations in which you need to individually handle each row in a result set.
Solution: One way to do it is with a cursor which will update the rows.
The solution I found is somewhat cumbersome (but works!
In a previous Tech Republic column about SQL Server 2005, I showed how you can convert some of your iterative queries (cursors) to set-based operations in order to enhance performance.
The information is ordered by Datetime (column not shown above).
The 'Position Lost' column is populated by default with a value of '0' from the previous query (although this could obviously be altered to populate with NULL values on table creation).