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搜题
更多“One function of a language can only be expressed by one structure.（）”相关的问题
第2题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameters to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第3题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameters to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第4题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameters to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第5题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameter to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第6题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameters to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第7题
A、You can use aggregate functions in any clause of a SELECT statement. B、You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement. C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns. D、You can pass column names, expressions, constants, or functions as parameter to an aggregate function. E、You can use aggregate functions on a table, only by grouping the whole table as one single group. F、You cannot group the rows of a table by more than one column while using aggregate functions.
第8题
A、refreshing the air B、making person upset C、adjusting the air humidity D、adjusting the air temperature
