Clarify OJP's current JDBC support level in the implementation analysis

[Copilot]

The analysis chapter did not explicitly state which JDBC version OJP currently targets, which left the JDBC 4.2 vs 4.3 position ambiguous. This change makes the compatibility statement explicit and ties it to the current runtime split between the driver and server.

• JDBC compatibility

  • adds an explicit statement that OJP is currently documented as a JDBC 4.2-compliant driver
  • avoids implying full JDBC 4.3 support

• Runtime context

  • clarifies the runtime split already present elsewhere in the repo:
    • driver: Java 11+
    • server: Java 25
  • makes clear that newer runtime requirements do not change the documented JDBC contract

• Documentation scope

  • updates the implementation analysis chapter only
  • keeps the existing analysis intact while adding the missing compatibility framing

Example of the added clarification:

OJP is documented as a JDBC 4.2-compliant driver rather than a full JDBC 4.3 implementation. The driver targets Java 11+ and the server requires Java 25, but the project's documented JDBC contract still centers on JDBC 4.2 compatibility.

[rrobetti]

@copilot where is the analysis doc?

[Copilot]

@copilot where is the analysis doc?

It’s in documents/ebook/part6-chapter19-implementation-analysis.md (Chapter 19: Implementation Analysis). The JDBC note was added near the top of that file.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud