In this overview, we examine Honda's history as maker of cars like the Accord and Civic, and as an innovator of VTEC Variable Valve Timing. MyDAC, and PgDAC * Support. Data access compo Free Download Home. Delphi, C++Builder. MyDAC is a library of components for direct access to MySQL from Delphi. Selection of software according to 'Get win32 password dialog in delphi' topic. AppTube Podnova Player. MyDAC is an enhanced VCL/VCL.NET/CLX library for. Delphi 7.0 Buy now: A.
I have a number of clients who access a table using Devarts Mydac. There is something about the locking mechanism that sometimes malfunction. In mydac i use this approach:Locking is set to 'ImPessemistic'

Select * from mytable where length(client)=0;// find a record that no client have edited

MyQuery.Edit; // This turns on the locking
Mydac For Delphi 7 Crackle Download
MyQuery.FieldByName.asinteger:= MyClienmtName; // Now the field is no longer emtyMyQuery.Post; // Save the changes
The problem (i assume) is that between the select and the edit - there is a small gap and another client can do the select before the record is locked. Happens 1 of 1000 times. Then 2 client will alter the same record.
What I guess im looking for is a way to lock and select at the same time - bu ti don't know if that is possible with mydac From Devart:
MySQL Data Access Components is a library of components that provides direct access to MySQL from Delphi, C++Builder, Lazarus (and Free Pascal) on various platforms. Applications based on MyDAC can connect directly to MySQL server or work through the MySQL client library. MyDAC is designed to help programmers develop faster and cleaner MySQL database applications. MyDAC is a complete replacement for standard MySQL connectivity solutions and presents an efficient alternative to the Borland Database Engine (BDE) and standard dbExpress driver for access to MySQL.