Alternatives

Products that do what An Interpreter for Extended Relational Algebra (Scheme Based) does

1. 1CA
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2. 2MV
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3. 3PA
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4. 4DA
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5. 5PA
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6. 6AM
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7. 7MA
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8. 8AS
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9. 9FA
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10. 10AM
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11. 11QG
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12. 12FP
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13. 13AT
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14. 14RA
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15. 15SO
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16. 16AO
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17. 17MA
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18. 18WA
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19. 19HA
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20. 20PA
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21. 21KS
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22. 22RM
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23. 23AH
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24. 24IF
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