• 2021-04-14
    _____ was respected as a “tea sage”.
  • Luyu

    内容

    • 0

      如果想给某字段sage施加取值至少18的约束,应该如何表示?( ) A: Sage smallint check(sage>=18) B: Sage smallint not nul C: Sage smallint unique D: Sage smallint primary key

    • 1

      若将所有学生的年龄增加1岁,下列哪一个语句是正确的?( ) A: UPDATE Student.Sage SET Sage = 1+Sage; B: UPDATE Student SET Sage = Sage + 1; C: UPDATE Student.Sage SET Sage = Sage + 1; D: UPDATE Student.* FROM Student SET Sage = Sage + 1;

    • 2

      Unlike black tea, dark tea or oolong tea, green tea is not __________ at all.

    • 3

      Which type of tea is the most popular type of Chinese tea?( ) A: Green tea B: White tea C: Yellow tea D: Black tea

    • 4

      The four famous tea of Black tea in the world are:( ). A: Keemun Black Tea B: Darjeering Black Tea C: Uva Black Tea D: Assam Black Tea