isam

Good ISAM library or other simple file manager for large files on Windows x64

Hi All We have some very large data files (5 gig to 1TB) where we need quick read/write access. Since we have a fixed record size it seems like some form of ISAM would be the way to go. But would be happy to hear other suggestions. Ideally the solution would have an Apache or LGPL style license but we will pay if we have to. Mus...

Should I lock an ISAM table to insert a value into a unique key field?

I have an ISAm table in mySql that was created similar to this: create table mytable ( id int not null auto_increment primary key, name varchar(64) not null ); create unique index nameIndex on mytable (name); I have multiple processes inserting rows into this table. If two processes try to insert the same "name", I want to make sur...

Choosing ISAM rather than SQL

Many developers seem to be either intimidated or a bit overwhelmed when an application design requires both procedural code and a substantial database. In most cases, "database" means an RDBMS with an SQL interface. Yet it seems to me that many of the techniques for addressing the "impedance mismatch" between the two paradigms would be ...

How do I fix the complaint "Stack Overflow" in rebuild.exe in COBOL85, for ISAM-files?

I am getting the message "Stack Overflow" while running REBUILD.EXE in cobol85 under Windows XP. This command was working nicely up to Windows 98. This command is used to recreate key file for Indexed Sequential file (ISAM). What is causing this problem? How can I work around it or fix it? ...

Open an Excel 2003 spreadsheet with C#. Could not find installable ISAM. Exception

I need to pull data from an xls, I also need have the user be able to change the location of the file it will. So an OleDbConnection seemed like a good start, and it was until the first merged cell. This works for all but the merged cells: OleDbCommand cmd = new OleDbCommand(); cmd.Connection = new OleDbConnection(@"Provider=Microsoft....

ASP.NET: "Could not find installable ISAM" exception when trying to read dBASE IV file.

I need to open and read a Dbase file in my ASP.NET application. When I try to open the connection, I am getting the exception "Could not find installable ISAM." I have tried the solutions in the top answer in this question, but they did not work for me. The filepath of the data file is C:\dev\DATA.DBF. Here is the code I am using to try...