Exam 4: Single-Table Queries

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When you connect two or more simple conditions with the AND operator,each condition must be listed on a separate line.​

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The ____ clause is used to restrict the groups that will be included in a query result.​

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The BETWEEN operator is an essential feature of SQL.​

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Compare the WHERE and HAVING clauses.​

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To sort records in descending order,follow the name of the sort key with the ____________________ operator.​

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It is possible to use both a WHERE clause and a HAVING clause in a SELECT statement.​

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SQL requires that you follow special formatting rules.​

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The column on which data is to be sorted is called a sort ____________________.​

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The ____ wildcard symbol represents any individual character.​

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The only arithmetic operators that can be used in SELECT statements are + for addition and - for subtraction.​

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The inner query in a nested query is called a(n)____________________.​

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Aggregate functions apply to groups of rows.​

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The ____________________ operator eliminates duplicate values in the query results.​

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After the word FROM in a SELECT statement,you list any conditions (restrictions)that apply to the data you want to retrieve.​

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A(n)____________________ is simply a question represented in a way that the DBMS can understand.​

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The HAVING clause is used to restrict groups that are included in a query result.​

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When you query a database,there is a defined order in which the results are displayed.​

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The WHERE clause is used to retrieve rows that satisfy some condition.​

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The ____________________ operator uses one or more wildcard characters to test for a pattern match.​

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A(n)____________________ clause provides a concise way of phrasing certain conditions.​

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