SQL query verification involves validating the correctness, efficiency, and security of Structured Query Language (SQL) statements used to interact with databases. This process ensures that queries retrieve accurate data, execute without errors, and do not expose vulnerabilities. It is a critical step in database management and application development.
Context
While blockchains themselves are not traditional SQL databases, the need for robust data integrity and efficient querying is analogous when building analytical layers or off-chain data indexing solutions for decentralized applications. Verifying the integrity of data queries is paramount for applications that rely on external data sources or present blockchain data to users. This ensures reliable information presentation.
QEDB is a new protocol that uses specialized cryptographic data structures to verify complex SQL queries on large databases, yielding constant-size proofs.
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