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Copy file name to clipboardExpand all lines: optimizer/first_rows/README.md
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See scripts before.sql and after.sql - spooled 'lst' output files are provided.
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Compare the cost in the before and after versions, and also compare the differences in the resulting plans. The costs in the *after* example (for the FETCH FIRST) are much lower and compare favorably with the ROWNUM queries.
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Compare the cost in the before and after versions, and also compare the differences in the resulting plans. The costs in the *after* example (for FETCH FIRST) are much lower and compare favorably with the ROWNUM queries.
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DISCLAIMER:
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<br/>-- These scripts are provided for educational purposes only.
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