SQL Syntax Checker

The tool analyzes an input SQL query for syntactic correctness and dialect compatibility without executing the query. It performs lexical analysis, followed by grammar parsing tailored to the chosen dialect (default ANSI). If errors are found, it reports exact locations (line and column), describes the issue, and can offer actionable suggestions. This helps developers detect missing commas, mismatched parentheses, stray keywords, or unsupported constructs before runtime. In addition to error reporting, the system can provide optional fixes and formatting hints to speed up remediation. The dialect awareness supports PostgreSQL, MySQL/MariaDB, MS SQL Server, Oracle, Snowflake, and ANSI SQL, allowing teams to validate cross-dialect porting efforts. The tool is designed for use during development, code review, and learning sessions, providing a fast feedback loop for query quality. It is particularly valuable in data pipelines, analytics workloads, and application back-ends where SQL correctness directly impacts reliability. Core differentiators include dialect-aware error localization, structured error outputs suitable for automation, and the ability to validate multi-statement inputs in a single pass. By separating syntax validation from execution, teams can iterate quickly, reduce debugging cycles, and standardize SQL quality across projects.