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I am running DolphinDB Server (version 2.00.16.4) on a Linux virtual machine on my MacBook (Apple Silicon / ARM architecture). When I try to load the MySQL plugin, I encounter the following error: ...
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After installing SQL Server Profiler 22, I get the following error when opening the application? --------------------------- PROFILER.exe - System Error --------------------------- The code execution ...
2 votes
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23 views

It is extensively documented that shrinking any data files that have LOB pages is awful: Microsoft says you need to read the whole partition once for every page you want to move. The well-known ...
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I am trying to confirm a particular role is not in use before I delete it. The query_history view supplies the name of the primary role; however there's a chance it might also be in use as a secondary ...
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I'm trying to do an automated installation of SQL Server Express via powershell, aided by chocolatey. First, I install chocolatey using the following PowerShell snippet: Set-ExecutionPolicy Bypass -...
2 votes
1 answer
113 views

I am comparing how PostgreSQL and SQL Server protect data pages from torn writes. PostgreSQL has a feature called full_page_writes. On the first modification to a page after a checkpoint, PostgreSQL ...
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--EN Hello. Oracle Database 11gR2. There are two Refresh Groups: RG01 and RG02. Both refresh groups use the same database link. RG01 contains non-updatable materialized views, while RG02 contains ...
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I have tables with very large numbers, which are entered using scientific notation (e.g. 1e100). But when in the PostgreSQL's psql client (as of 18.x), they get expanded into the full length: # SELECT ...
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I wonder if anyone is up-to-date with the workings of Fail-over cluster in Windows Server 2025. Since each version has their changes. We are doing a test setup of 3 nodes on 1 location, 3 nodes on the ...
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I'm trying to import a dmp file in my database, so far this is the steps I've followed in a guide about how to import a dmp file in SQLDeveloper: Open SQL Developer and connect to your database. Go to ...
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I'm looking into Linux VRFs i.e. support for virtual routing and forwarding. The documentation mentions: Applications that are to work within a VRF need to bind their socket to the VRF device: ...
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I encounter a startup failure when initializing my DolphinDB node. The error message points to a scheduled job deserialization issue: :Failed to unmarshall the job [schedulejob1]. Failed to ...
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30 views

First time asking a question here. I'm making an assignment for my database class where I need to migrate a few tables from an OracleDB relational database to a MongoDB database using the mongodb-...
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136 views

On three different production servers, the following query against sys.databases: USE master; GO SELECT name FROM sys.databases WHERE name NOT IN ('master','tempdb','model','msdb'); Results in this ...
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I'm evaluating GridDB Cloud for a high-throughput IoT workload and encountered behavior that I can’t fully explain using the available documentation. I have a TimeSeries container using default ...
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