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How do you integrate with an on-premises SQL Server without using SHIR?

SQLeasy0.3 min readPremium

**Without SHIR**: (1) **VPN/ExpressRoute**: Connect cloud to on-prem network; use private SQL Server IP from cloud. (2) **Public endpoint**: Not recommended—security risk. (3) **Export/Load**: SSIS or script exports to blob; cloud job loads. (4) **Third-party**: Fivetran, Striim...

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Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Virtusa
Key Concepts Tested
sql

Why This Question Matters

This easy-level SQL question appears frequently in data engineering interviews at companies like Virtusa. While less common, it tests deeper understanding that distinguishes strong candidates. Mastering the underlying concepts (sql) will help you answer variations of this question confidently.

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Start by clearly defining the core concept being asked about. Interviewers want to see that you understand the fundamentals before diving into implementation details. Structure your answer with a definition, then explain the practical application with a concise example.

Expert Answer
59 words

Without SHIR: (1) VPN/ExpressRoute: Connect cloud to on-prem network; use private SQL Server IP from cloud. (2) Public endpoint: Not recommended—security risk. (3) Export/Load: SSIS or script exports to blob; cloud job loads. (4) Third-party: Fivetran, Striim with on-prem agent. (5) Reverse proxy: On-prem proxy exposes limited endpoint. Trade-off: VPN adds latency; export is batch-only. Security: Prefer private connectivity.

The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations covering performance optimization and real-world examples.

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According to DataEngPrep.tech, this is one of the most frequently asked SQL interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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