CREATE INDEX ix_lineage_map_target ON ops.lineage_map (target_schema, target_table); CREATE INDEX ix_lineage_map_source ON ops.lineage_map (source_schema, source_table); ...
复杂 SQL 里的表关系和字段来源经常藏在 CTE、子查询、JOIN、聚合、窗口函数和 INSERT/CREATE TABLE AS SELECT 语句里 ...
Comprehensive column-level lineage is so critical for good data governance. And, not all Data Lineage is created equal or automated. Lineage can pinpoint the IMPACTS of data issues thruout your data ...
Developed a SQL lineage extraction tool that handles the edge cases most parsers fail on. The problem: Extracting accurate column-to-table lineage from complex SQL is HARD. Tested it against 100+ edge ...
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