Oracle monitoring and diagnostics · installed on your servers
Deynao connects to your databases read-only, with no agent on the servers, and gives you a health score per domain, alerts that say why they exist, and a prioritized action plan. Your DBA stays in control of everything.
Independent project, open to evaluation by Oracle professionals.
Four screens you will open every day, exactly as they are in the shipped version.
Every database carries its score, its collection state and its alerts. The whole fleet gets a global score, computed on reachable databases, with the calculation one click away.
Fleet screen, sorted by criticality.
The score breaks down domain by domain, right to the finding that explains it. The weightings are visible, the Oracle views queried are named. Nothing is adjusted behind the scenes.
Live dashboard of one database, executive summary.
Deynao reads each database's alert.log, extracts the ORA codes, ranks them by severity and frequency, then explains each one in plain language. An unreachable database can also be analyzed from its file, with no connection.
Oracle Alerts domain, twenty-four-hour period.
What's urgent, what matters, what can wait. When a SQL example accompanies a finding, it is indicative: your DBA reads it, adapts it and decides. Deynao applies no corrective action to your databases.
Recommendations domain, cross-domain action plan.
An application installed on a Windows workstation or server inside your network. It reads your databases, never writes to them, and only talks to the servers you point it to.
The license activates and is checked locally. Deynao can run on a network with no Internet access.
CREATE SESSION and SELECTs on listed system views, with no DBA role and no write privilege. The script is provided; your DBA reads it before the first connection.
Deynao queries your databases over the network. For Oracle 11g, the Instant Client is required on the Deynao host, not on your servers.
Sessions carry the module Deynao-Supervision-RO in V$SESSION. The collector releases its connection after each cycle.
As soon as Oracle rejects an authentication, Deynao suspends further attempts instead of retrying in a loop.
Passwords are encrypted with a key unique to the installation, generated locally on first launch, never written in clear text.
Each domain exposes its key figures, what they mean and the Oracle view they come from. The vocabulary stays Oracle's.
| Family | Domains | What is watched |
|---|---|---|
| Performance and capacity | PerformanceCapacityProcessesWaits | Hold the load and see saturation coming before your users feel it: response times, memory, tablespaces and their real headroom, sessions, wait events. |
| Continuity and backups | BackupsLoggingFiles | Compare the backup strategy against what actually ran: RMAN, ARCHIVELOG mode, redo and undo, recovery area, data files. |
| Security and compliance | SecurityLicenses | Accounts, privileges and hardening, for your compliance review. Declared Oracle edition and detected paid options, to check against your contract. |
| Operations and diagnostics | Oracle AlertsLocksJobsObjectsRecommendations | Day-to-day operations: the alert log explained, locks and blocking, failed scheduled jobs, invalid objects, and the action plan that follows. |
Two three-minute demonstrations, recorded inside the application on a demonstration environment with fictional data. No mock-ups, no slideshows.
You choose when you request the evaluation, and you can switch from one to the other during the evaluation with the same license.
| Edition | Portable | Server |
|---|---|---|
| Installation | A ZIP to unpack. No installation, no administrator rights. | Installed as a Windows service, on a server or a virtual machine. |
| Use | Discover Deynao and diagnose your databases on demand, from a workstation. | Continuous supervision: the collector runs in the background, analyzes your databases and alerts you, even with no session open. |
| First database | Within minutes. | Within minutes after the installation. |
| Watch the install |
The Deynao server installs on Windows 10, Windows 11 or Windows Server. The supervised databases can be hosted on Windows or Linux.
The documents needed for a technical validation, readable before installing anything.
Deynao relies on Oracle's standard system views: your exact version is confirmed during the evaluation, on your own database.
No. The recommended account only receives CREATE SESSION and SELECT rights on explicitly listed system views. Deynao performs no INSERT, UPDATE, DELETE or DDL, and applies no automatic remediation. Your DBA reviews the privileges script before any connection.
No. Deynao queries the dynamic views (V$) and the Oracle dictionary needed for diagnostics. The provided account receives no read access to your application tables.
Stored passwords are encrypted at rest with a key unique to the installation, generated locally on first launch. They are never written in clear text in files or logs. In portable mode, the folder contains the encrypted data and its key: protect it like a secret.
Deynao greatly reduces this risk. As soon as Oracle rejects authentication, its circuit breaker suspends further attempts instead of retrying in a loop. A dedicated supervision account is still recommended.
Deynao communicates with authorized browsers, your supervised Oracle databases read-only and the SMTP server you configure. No traffic is sent to Deynao's servers: no telemetry, no supervision data, no online license validation.
CREATE SESSION and read-only SELECTs on system views, with no DBA role and no write privilege. The full script is provided and verifiable before deployment.
No. The supervision account receives no access to DBA_HIST_*, V$ACTIVE_SESSION_HISTORY or DBA_ADVISOR_* views. No Oracle Diagnostics Pack or Tuning Pack is required for Deynao's features, in the documented version.
Yes. Connections carry the module Deynao-Supervision-RO, with the action Collector for autonomous supervision. Your DBA finds them in V$SESSION. The collector releases its connection after each cycle.
Oracle 11g and later, single-instance. Deynao relies on Oracle's standard system views: it is not tied to a specific version, and your exact version is confirmed during the evaluation. RAC, ASM and Data Guard are not supervised in the current version.
Yes. Deynao connects to your databases over the network: the database can be hosted on Linux or Windows. The Deynao application itself installs on a Windows workstation or server.
For Oracle 12c and later, no. For Oracle 11g, the Oracle Instant Client is required on the Deynao host.
The portable edition, a ZIP with no installation, to evaluate within minutes. The server edition, installed as a Windows service, for continuous supervision, even with no session open.
Three roles separate responsibilities: administrator, operator and reader. A read-only user views the fleet state without being able to change connections, the license or the configuration.
A named evaluation license: one organization, five databases under continuous supervision, on-demand diagnostics with no cap.
The evaluation covers the software: the support provided is about getting started with Deynao, not analyzing your databases. It includes neither an audit of your fleet nor DBA consulting.
My name is Omar Sall. For more than ten years I have worked around business applications, critical environments and Oracle databases.
Deynao came from a simple observation: the information a DBA needs already exists inside Oracle, but it is often scattered across system views, log files, scripts and monitoring tools.
I started building Deynao to bring that information together in something more readable, installed inside the organization's own environment, and above all able to explain what it measures and why a given point does or does not deserve attention.
I design and build Deynao, drawing on my experience of Oracle operations, diagnosis and monitoring. The goal is to make the state of an Oracle fleet quickly readable, by the DBA who administers it as much as by the manager who answers for it.
The project is now entering an evaluation phase with Oracle professionals. Their feedback will test Deynao against the realities of other environments and shape what comes next.
If you run Oracle databases and a question remains unanswered after reading this page, you can write to me.