A Script Component (C#) evaluates business rules expressed in a domain‑specific language (DSL) that compiles to C# expressions at runtime. Example rule:
RuleID = 101;
Expression = "Quantity > 0 && (Discount <= 0.5 || CustomerType == 'VIP')";
Severity = 'Critical';
During execution, the script parses the DSL, builds a Lambda Expression, and applies it to each data row. Violations are written to the ErrorQueue with the rule ID, enabling downstream analysts to trace root causes.
Scenario:
A nightly SSIS package loads daily sales data into DW_Sales. It runs via a SQL Server Agent job under the service account NT SERVICE\SQLSERVERAGENT. After a weekend security hardening, the job starts failing with:
Error 927: The server principal "NT SERVICE\SQLSERVERAGENT" is not able to access the database "DW_Sales" under the current security context.
Resolution Steps Taken
Takeaway: Even built‑in service accounts need explicit permissions when they access user databases.
| Metric (Baseline) | Metric (Post‑SSIS‑927) | Δ | |---|---|---| | Nightly Run Time | 6 h 15 m | 10 h → 3 h 45 m (≈ 40 % faster) | | Data Quality Defects | 2.3 % of rows flagged | 0.4 % (after rule‑engine refinement) | | Manual Intervention | 8 h per week | 1 h per week (mostly for manifest updates) | | Audit Trail Completeness | Partial, ad‑hoc logs | 100 % row‑level lineage captured | | SLA Compliance | 78 % on‑time | 96 % on‑time (target 95 %) |
Beyond the raw numbers, the project delivered strategic benefits: SSIS-927
SSIS-927 is an informational identifier (likely an issue/bug ID, task number, or specification code). I'll assume you want a concise, practical guide for handling a typical issue/bug ticket labeled SSIS-927. If you intended a specific product or context, tell me and I’ll adapt.
| Symbol | Meaning | Example |
|--------|---------|---------|
| → (green) | Success | DataFlowTask → ExecuteSQLTask |
| → (red) | Failure | DataFlowTask → SendMailTask (OnFailure) |
| → (yellow) | Completion (regardless) | DataFlowTask → ArchiveFileTask (OnCompletion) |
| Expression | Custom Boolean | @[User::RowsLoaded] > 0 |
Best practice: Keep the control‑flow DAG shallow; use containers to avoid tangled precedence constraints. A Script Component (C#) evaluates business rules expressed
Define SSIS-927 as a discrete work item: a software feature/issue requiring a clear, traceable narrative from problem to resolution so stakeholders understand cause, approach, decisions, and outcome.
Target audience – Data engineers, BI developers, and SQL Server DBAs who already have a working knowledge of SSIS (basic package creation, data flow, and simple control‑flow tasks).
Goal – Take you from “I can move data from A to B” to “I can design, build, secure, optimise, and maintain enterprise‑grade SSIS solutions that integrate heterogeneous data sources, support CI/CD, and survive change.”
| Symptom | Typical Cause | Quick Fix |
|---------|----------------|-----------|
| Error 927 – “The server principal “
2️⃣ Grant the proper DB role or use a credential/mapped login.
3️⃣ Test the connection outside SSIS (e.g., sqlcmd). | During execution, the script parses the DSL, builds