Firebird ods pdf

It will show something like. Per-table performance counters have been added to all pds the monitoring tables. This allows the server to work with database files from previous versions and simplify the transition from the old server to a new one. This need to be done to firebrd if there any bad old metadata in your database or bugs of script extraction os the server you use. What is ODS version and how to retrieve it? Wrong ODS version, expected 8, encountered 13?

Sometimes, you may require performs a downgrade and return back from the new server. You have to create dummy database and then drop it. Not affiliated with Stack Overflow. Databases created with bit and with bit builds of Firebird 1.

Starting with FB 2. If you only have command-line access you can use Firebird's gstat command line tool located in bin directory. Its option -h outputs the header page information, which contains the ODS:. User and password here unnecessary, because gstat with —h option just read physical part of the database header page, number 0. If gstat will not understand read information, it will show corresponding message — what it expected, and what it found.

ODS on-disk structure version is a number representing version of the database low-level firebid layout structure ODS. If yes — the complexity of the migration will depend on how many features you used in the database or administration process.

If you are a commercial tool maker and your tool features a great way to handle the issue written about in this FAQ, please check out our advertisement page. Starting with Firebird 3.

Maximum Number of Page Buffers in Cache. After you fix all incompatibilities in this script, you can pump data from the old database to the new database. Please e-mail us what needs to be changed. So, migration will be easier if you have not used features since InterBase 7. Wrong ODS version, expected 11, encountered 15 — Firebird 2. Reasons may vary — sudden bug in the server, performance issues, and so on. Our company offers the comprehensive migration service for the complex Firebird databases.

To learn more, visit our add content page. To ensure quality, each change is checked by our editors and often tested on live Firebird databasesbefore it enters the main FAQ database. It will show something like can't format message -- message file Several examples: Wrong ODS version, expected 8, encountered ?

For example, when Firebird 1. InterBase 7. Firebird 3. InterBase XE7 Sometimes server may upgrade old ODS to some newer one, without notification. This can lead to the impossibility of returning to the version back. For example, if you open a database with ODS 8. So, the minor upgrade of ODS makes incompatible databases within same major server version. This is also true for Firebird 2.

How to return to the previous version of Firebird or InterBase Sometimes, you may require performs a downgrade and return back from the new server. Here are examples: From 5. From Firebird 1.