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PSQL Server Engine Versus Workgroup Engine

There are two different levels of the Pervasive PSQL / Actian PSQL database engine. What are the real differences between the PSQL Workgroup Engine (WGE) and the PSQL Server Engine?.

The Short Answer

If you just need a quick comparison, then you are in the right section. Succinctly, the core code within the engines is the same, but the PSQL Workgroup Engine is licensed for small workgroups (up to 5 concurrent users at most) and is priced considerably lower as a result. The Server Engine is for systems with 6 or more users, or those that need additional security or features of the Server Engine.

The Long Answer

Additional security? Features? I thought the engines were the same? Indeed -- the two engines share the same CORE code, but they do have some minor differences that are highlighted here:

Maximum Simultaneous User (User Count) Supported
1 to 5 ONLY
6 to 500+
User Count Increases Available
1U, 2U (to 5U Max)
6, 10, 20, and up
Backup Agent
Additional Cost
Included FREE
VSS Writer
Not Available
Included FREE
Available 32-Bit Engine
Available 64-Bit Engine
Available Linux Engine (32-bit and 64-bit)
Supports 64-bit Applications
YES (With 64-bit Client)
Available PSQL Vx Server (Licensing for Virtual Machines, ThinClient, SaaS)
OS Security Enabled (Validates that all users have access to files)
Can Access Data on Remote Server or NAS (Though not recommended)
Default Memory Allocated for L1 Database Cache (Can be changed)
10% of RAM or 64MB
20% of Memory Space
Maximum Memory Space Supported on 32-bit OS
2 GB
2 GB
Maximum Memory Space Supported on 64-bit OS
4 GB
4 GB (32-bit Engine)
8 TB (64-bit Engine)

If you are trying to decide between the Workgroup and Server Engine for your primary server, then security may be an important attribute to consider, as well as the performance gains available on the 64-bit Server Engine. Remember that any user on the network can access data on the Workgroup Engine. With the Server Engine, users must authenticate to the server and.or domain before they can access files. For test servers, however, especially if it is running a very small data set, then the Workgroup Engine may fill all of your needs and save you a bundle, too!


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