[SYSTEMDS-3862] SSB Benchmark Implementation: Improved Implementation #2417
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Biggest change: From "sort-merge" to "hash2" join.
…rification. TO DO: Dealing with empty tables.
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It is the improved implementation of [SYSTEMDS-3862] SSB Benchmark Implementation. The initial implementation is in Star Schema Benchmark (SSB) for SystemDS. There are some differences between this version and the initial implementation. Currently, both implementations are pointing at the same path apache/systemds/tree/main/scripts/staging/ssb. This issue is to be resolved.
Thank you very much.