Exam 4: Single-Table Queries

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The ____ function calculates a total of the values in a column.​

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You form compound conditions by connecting two or more simple conditions using the ____ operator.​

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The GROUP BY clause sorts the data in a particular order.​

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The ____ clause lets you group data on a particular column.​

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The ____________________ operator finds rows that contain a null value in the specified column.​

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When data is sorted on two columns,the more important column is called the major sort key.​

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____________________ conditions are formed by connecting two or more simple conditions.​

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When you use the MAX function,SQL ignores any ____________________ value(s)in the column and eliminates them from the computations.​

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You can assign a name to a computed column by following the computation with the word ____________________ and the desired name.​

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In SQL,you specify the order of data in query results by using the ____________________ clause.​

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In SQL for Oracle and for SQL Server,the ____ symbol is used as a wildcard to represent any collection of characters.​

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You can use the ____ operator followed by a collection of values to provide a concise way of phrasing certain conditions.​

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You use the ____ clause to list data in a specific order.​

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In a nested query,the outer query is evaluated first.​

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The DISTINCT operator is useful when used in conjunction with the COUNT function.​

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You can use computed columns in comparisons.​

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Sometimes a condition involves a column that can accept null values.​

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All SELECT statements require a WHERE clause.​

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The WHERE clause applies to both rows and groups.​

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SQL has special functions,called ____________________ functions,to calculate sums,averages,counts,maximum values,and minimum values.​

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