Connect to Database
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-06.)
Connect to Database is Connect to the database.
30 facts·26 predicates·2 sources·2 in dispute
Mostly:has parameter(4), rdf:type(2), has try block(1)
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (8)
Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.
isParameterOfIs Parameter of(4)
- Database Parameter
ex:database-parameter - Host Parameter
ex:host-parameter - Password Parameter
ex:password-parameter - Username Parameter
ex:username-parameter
callsFunctionCalls Function(1)
- Example Usage Block
ex:example-usage-block
definesFunctionDefines Function(1)
- Python Database Code
ex:python-database-code
demonstratesUsageDemonstrates Usage(1)
- Example Usage Block
ex:example-usage-block
hasSectionHas Section(1)
- Explanation
ex:explanation
Other facts (30)
The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
30 facts
| Predicate | Value | Ref |
|---|---|---|
| Has Parameter | Host Parameter | [1] |
| Has Parameter | Username Parameter | [1] |
| Has Parameter | Password Parameter | [1] |
| Has Parameter | Database Parameter | [1] |
| Rdf:type | Python Function | [1] |
| Rdf:type | Explanation Step | [2] |
| Has Try Block | true | [1] |
| Creates Connection | Cnx Variable | [1] |
| Mysql Connector Call | Mysql Connector Connect | [1] |
| Returns on Success | Cnx Variable | [1] |
| Exception Handler | Mysql Connector Error Handler | [1] |
| Has Except Block | Mysql Connector Error Handler | [1] |
| Returns Value | Cnx Variable | [1] |
| May Return None | true | [1] |
| Purpose | establish-database-connection | [1] |
| Uses F String Formatting | true | [1] |
| Call Order | Username Then Password Then Host Then Database | [1] |
| Connection Variable Name | cnx | [1] |
| Error Logging Level | error | [1] |
| Handles Connection Failure | true | [1] |
| Graceful Degradaton | returnsNone | [1] |
| Designed for Production | true | [1] |
| Exception Type Caught | Mysql.connector.error | [1] |
| Has Docstring | false | [1] |
| Return Type | Database Connection or None | [1] |
| Is Defined at Module Level | true | [1] |
| Has Return Statement | true | [1] |
| Has Two Return Paths | true | [1] |
| Description | Connect to the database | [2] |
| Explains Step | 1 | [2] |
Timeline
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
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typebeam/a2659802-8262-4436-8273-f803205b4e00
ex:PythonFunction
—
hasParameterbeam/a2659802-8262-4436-8273-f803205b4e00
ex:host-parameter
—
hasParameterbeam/a2659802-8262-4436-8273-f803205b4e00
ex:username-parameter
—
hasParameterbeam/a2659802-8262-4436-8273-f803205b4e00
ex:password-parameter
—
hasParameterbeam/a2659802-8262-4436-8273-f803205b4e00
ex:database-parameter
—
hasTryBlockbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
createsConnectionbeam/a2659802-8262-4436-8273-f803205b4e00
ex:cnx-variable
—
mysqlConnectorCallbeam/a2659802-8262-4436-8273-f803205b4e00
ex:mysql-connector-connect
—
returnsOnSuccessbeam/a2659802-8262-4436-8273-f803205b4e00
ex:cnx-variable
—
exceptionHandlerbeam/a2659802-8262-4436-8273-f803205b4e00
ex:mysql-connector-error-handler
—
hasExceptBlockbeam/a2659802-8262-4436-8273-f803205b4e00
ex:mysql-connector-error-handler
—
returnsValuebeam/a2659802-8262-4436-8273-f803205b4e00
ex:cnx-variable
—
mayReturnNonebeam/a2659802-8262-4436-8273-f803205b4e00
true
—
purposebeam/a2659802-8262-4436-8273-f803205b4e00
establish-database-connection
—
usesFStringFormattingbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
callOrderbeam/a2659802-8262-4436-8273-f803205b4e00
ex:username-then-password-then-host-then-database
—
connectionVariableNamebeam/a2659802-8262-4436-8273-f803205b4e00
cnx
—
errorLoggingLevelbeam/a2659802-8262-4436-8273-f803205b4e00
error
—
handlesConnectionFailurebeam/a2659802-8262-4436-8273-f803205b4e00
true
—
gracefulDegradatonbeam/a2659802-8262-4436-8273-f803205b4e00
returnsNone
—
designedForProductionbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
exceptionTypeCaughtbeam/a2659802-8262-4436-8273-f803205b4e00
ex:mysql.connector.Error
—
hasDocstringbeam/a2659802-8262-4436-8273-f803205b4e00
false
—
returnTypebeam/a2659802-8262-4436-8273-f803205b4e00
ex:database-connection-or-none
—
isDefinedAtModuleLevelbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
hasReturnStatementbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
hasTwoReturnPathsbeam/a2659802-8262-4436-8273-f803205b4e00
true
—
typebeam/07d440df-2184-45d6-bb0a-b05a81a30b7e
ex:ExplanationStep
—
descriptionbeam/07d440df-2184-45d6-bb0a-b05a81a30b7e
Connect to the database
—
explainsStepbeam/07d440df-2184-45d6-bb0a-b05a81a30b7e
1
References (2)
2 references
ctx:claims/beam/a2659802-8262-4436-8273-f803205b4e00ctx:claims/beam/07d440df-2184-45d6-bb0a-b05a81a30b7e- full textbeam-chunktext/plain1 KB
doc:beam/07d440df-2184-45d6-bb0a-b05a81a30b7eShow excerpt
[Turn 2447] Assistant: Yes, you can use a simple database like SQLite to track milestones and progress on your LLM provider evaluation. SQLite is a lightweight, file-based database that is easy to set up and use. Here's a complete example o…
See also
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