luni, 17 ianuarie 2011

Intrebari de verificare dupa lectia de Teorie2

1) Care este echivalentul produsului cartezian in sintaxa ANSI?
2) Exista deosebiri intre Natural Join si Equijoin?
3) Care sunt clauzele din sintaxa ANSI?
4) Cate coloane comune din cele doua tabele foloseste clauza USING?
5) Care sunt cele 4 joinuri din sintaxa ORACLE care se pot scrie si cu clauza ON?
6) Care sunt cele 3 tipuri de Outer Joins din sintaxa ANSI?

28 de comentarii:

  1. 1-Cross Join
    2-da
    3-Cross Join,Natural Join,Clauza Using,Clauza On,Outer Join
    4-1 coloana
    5-Self Join,Nonequijoin,Outer Join,Equijoin
    6-Left Outer Join,Right Outer Join,Full Join

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  2. 1) cross join
    2) da, exista
    3) caluza using si clauza on
    4)una
    5)self join, nonequijoin, outer join, ecquijoin
    6) left outer join, right outer join, full outer join

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  3. 1.cross join
    2.da,exista
    3.Clauza using,clauza on
    4.una singura
    5.self join , nonequijoi, outer join, equijoin
    6.lest outer join, right outer join,full outer join

    RăspundețiȘtergere
  4. 1.cross join
    2.la equijoin se iain consderare o singura coloana comnuna iar la natural join se iau in considerare toate coloanele comune. La natural join nu se folosesc obligatoriu aliasuri pentru coloane si tabele deoarece acestea vor fi recunoscute
    3.clauza USSING, Clauza ON.
    4.una
    5.self join, nonequijoin, outer join, equijoin
    6.left outer join, right outer join, full outer join

    RăspundețiȘtergere
  5. 1)cross join
    2)da
    3)cross join,natural join,using,on,outer joins
    4)una
    5)self join,nonequijoin,outer joins,equijoin
    6)left outer joins,right outer joins,full outer joins
    :D

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  6. 1 cross join
    2 da
    3 clauza using,on
    4 1
    5 self join,nonequijoin,outer join,equijoin
    6 left outer join,right outer join,full outer join

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  7. cross join;da;using si on;1;self jion,nonequijoin,outer jion,equijion;left outer jion,right outer jion,full outer jion

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  8. 1) cross join
    2)da
    3)clauza using, clauza on
    4)o coloana
    5)self join, nonequijoin, outer joins, equijoin
    6)left outer join, right outer join, full outer join.

    RăspundețiȘtergere
  9. 1) cross join
    2) da, exista
    3) caluza using si clauza on
    4)una
    5)self join, nonequijoin, outer join, ecquijoin
    6) left outer join, right outer join, full outer join

    RăspundețiȘtergere
  10. 1.cross join
    2.da
    3.clauza using si on
    4.una
    5.selfjoin, nonequijoin, outer joins , equijoin
    6.left outer join, right outer join, full outer join

    RăspundețiȘtergere
  11. 1.Cross Join
    2.da
    3Clauza Using,Clauza On,
    4.o coloana
    5.Self Join,Nonequijoin,Outer Join,equijoin
    6..left Outer loin,Right Outer Join,Full outer Join

    RăspundețiȘtergere
  12. a)cross join
    b)da
    c)cross join,natural join,using,on,outer joins
    d)una
    e)self join,nonequijoin,outer joins,equijoin
    f)left outer joins,right outer joins,full outer joins

    RăspundețiȘtergere
  13. 1)cross join.
    2)Da
    3)cross join,natural join,clauza using,clauza on,outer joins.
    4)una
    5)self join,nonequijoin,outer joins,equijoin
    6)left outer join,right outer join,full outer join.

    RăspundețiȘtergere
  14. 1.cross join
    2.la equijoin se iain consderare o singura coloana comnuna iar la natural join se iau in considerare toate coloanele comune. La natural join nu se folosesc obligatoriu aliasuri pentru coloane si tabele deoarece acestea vor fi recunoscute
    3.clauza USSING, Clauza ON.
    4.una
    5.self join, nonequijoin, outer join, equijoin
    6.left outer join, right outer join, full outer join

    RăspundețiȘtergere
  15. 1.cross join
    2.da
    3.clauza using si on
    4.una
    5.selfjoin, nonequijoin, outer joins , equijoin
    6.left outer join, right outer join, full outer join

    RăspundețiȘtergere
  16. 1)cross join
    2)da, exista
    3)caluza using si clauza on
    4)una
    5)self join, nonequijoin, outer join, ecquijoin
    6)left outer join, right outer join, full outer join

    RăspundețiȘtergere
  17. 1. cross join
    2. da
    3. clauza using, clauza on
    4. o coloana
    5. self join
    nonequijoin
    outer joins
    equijoin
    6. left outer join
    right outer join
    full outer join

    RăspundețiȘtergere
  18. 1 cross join
    2 da
    3 clauza using,clauza on
    4 1
    5.selfjoin,nonequijoin,outer joins ,equijoin
    6.left outer join,right outer join,full outer joi

    RăspundețiȘtergere
  19. 1-cross join
    2-da
    3-clauza using,clauza on
    4-1
    5-selfjoi,nonwequijoin,outer joins,equijoin
    6-left outer join,right outer join,full outer join

    RăspundețiȘtergere
  20. 1-Cross Join
    2-da
    3-Cross Join,Natural Join,Clauza Using,Clauza On,Outer Join
    4-1 coloana
    5-Self Join,Nonequijoin,Outer Join,Equijoin
    6-Left Outer Join,Right Outer Join,Full Join

    RăspundețiȘtergere
  21. 1.Cross Join
    2.da
    3.clauza using ,clauza on
    4.1
    5.selfjoin , nonequijoin , outer joins, equijoin
    6. left outer join, right outer join , full outer join

    RăspundețiȘtergere
  22. I. Cross Join
    II. Da
    III. Clauza using , clauza on
    IV. 1
    V. selfjoin , nonequijoin, outer joins , equijoin
    VI. Left outer join , rigrt outer join , full join

    RăspundețiȘtergere
  23. 1-Cross Join
    2-da
    3-Cross Join,Natural Join,Clauza Using,Clauza On,Outer Join
    4-1 coloana
    5-Self Join,Nonequijoin,Outer Join,Equijoin
    6-Left Outer Join,Right Outer Join,Full Join

    RăspundețiȘtergere
  24. 1 Cross join
    2 da
    3 Clauza using,clauza on
    4 1
    5 selfjoinnonequion,outer joins
    6Left outer join,rigrt outer join

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  25. 1) cross join
    2) da, exista
    3) caluza using si clauza on
    4)una
    5)self join, nonequijoin, outer join, ecquijoin
    6) left outer join, right outer join, full outer join

    RăspundețiȘtergere
  26. 1.cross join
    2.da,exista
    3.Clauza using,clauza on
    4.una singura
    5.self join , nonequijoi, outer join, equijoin
    6.lest outer join, right outer join,full outer join

    RăspundețiȘtergere
  27. 1-Cross Join
    2-da
    3-Cross Join,Natural Join,Clauza Using,Clauza On,Outer Join
    4-1 coloana
    5-Self Join,Nonequijoin,Outer Join,Equijoin
    6-Left Outer Join,Right Outer Join,Full Join

    RăspundețiȘtergere