ElevateDB Frequently Asked QuestionsThe following is a listing of the most frequently asked questions for ElevateDB and the answers to these questions.
Is ElevateDB compatible with DBISAM or can it access DBISAM tables ?
How do I change the path of a defined database after a database has been moved to a different location ?
When creating tables there are defaults for index page size, BLOB block size, and buffering sizes. Is there a way to determine what the best values would be for a particular table ?
When I try to migrate a database to ElevateDB using the ElevateDB Manager, the combo box does not contain any migrators. Why are there no migrators ?
How do I re-compile the ElevateDB Manager or ElevateDB Server ? I'm getting errors about missing components when I try to load the edbmgr or edbsrvr projects in Delphi.
Why does a query with joins in the WHERE clause take a very long time to execute in ElevateDB ?
When I try to share the same database with multiple client applications, I receive the error "ElevateDB Error #300 Cannot lock database <DatabaseName> for shared access" when I start the second client application. Why am I receiving this error ?
When running an ASP.NET application that uses the ElevateDB ODBC Driver, an application fault referring to the IDispenserDriver::DestroyResource method occurs after a few operations using the driver. What could be causing this ?
DBISAM Frequently Asked QuestionsThe following is a listing of the most frequently asked questions for DBISAM and the answers to these questions.
I've developed an application using DBISAM, and I'm experiencing performance problems. What can I look for in terms of optimizations ?
Are there any special considerations when converting a single-user application using DBISAM to a multi-user application on a network ?
Can DBISAM access tables on a read-only device like a CD-ROM ?
My customer has sent me a table that has become corrupted. How did this occur ?
Do I have to do anything special to install DBISAM at a customer's site ?
Can DBISAM be used safely with multiple threads ?
I have encrypted certain tables in order to protect them from unauthorized access. How do I automatically open these tables up in my application without the user seeing a password prompt ?
Does DBISAM support auto-increment fields and are they safe to use ?
Do I have to pack or reorganize DBISAM tables like in dBase or FoxPro to regain deleted records in the tables ?
What is the granularity of the BLOB fields ? Do they always consume some multiple of a minimum block size, or are they truly variable in length ?
How do I report progress back to the user for indexing and other bulk operations ?
In multi-user mode does DBISAM employ page-locking or record locking ?
I accidentally deleted a field while altering the structure of a table, and I need to get the data back. How do I do that ?
Is the DISTINCT clause in the COUNT function supported in DBISAM ?
When I execute a particular SQL query or attempt to alter the structure of an existing table I get the error "DBISAM Engine Error # 11013 Access denied to table 'xxxx'" ?
I need to provide the equivalent functionality that is provided in the TBatchMove component provided with the BDE, can I do this with DBISAM ?
I've got my data in another format besides Paradox or dBase and I want to convert it into DBISAM format. How do I do this ?
When running an ASP.NET application that uses the DBISAM ODBC Driver, an application fault referring to the IDispenserDriver::DestroyResource method occurs after a few operations using the driver. What could be causing this ?
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