Subject Multiuser Simultaneous INSERT and SELECT queries on Firebird database,
Author mauleen2006
I have a problem regarding Multiple users Simultaneous using
INSERT and SELECT queries on Firebird database. The detail problem
scenario is as follows:-
I have a table and multiple users access the table at the same
time. If one user is inserting the data , another user at the same
time fires a select query to get the max no from the same table. Now
at one point my VB.Net application hangs.

Now is it possible to use some type of locking system to lock the data
until one user finishes the insert query and does not allow the select
query to fire until the process is complete.

This is a very urgent requirement.
Please find the code below to understand the problem scenario:-

fbcmd = New FbCommand("Insert into Dummy_tab values(" & i &
",'Mauleen')", fbcon)

Code for getting the max no:-
fbcmd = New FbCommand("Select max(id) from dummy_tab", fbcon)

Thank you