| 题目 |
题目类型 |
操作 |
| In SQL, query results can be sorted using the ORDE... |
普通选择题 |
去答题
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| The BETWEEN keyword can be used in SQL statements ... |
普通选择题 |
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| A data table contains a name field. To find names ... |
普通选择题 |
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| Each function in SQL has positional requirements, ... |
普通选择题 |
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| Aliases can improve readability of query results. ... |
普通选择题 |
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| How many join conditions can be used when performi... |
普通选择题 |
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| SQL makes merging datasets simple and easy. Which ... |
普通选择题 |
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| Using the query " select * from 表 1 inner join 表 2... |
普通选择题 |
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| Subqueries are common SQL syntax that can make cod... |
普通选择题 |
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| Regarding the syntax rules for subqueries, which i... |
普通选择题 |
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| Subqueries can appear in the SELECT, WHERE, HAVING... |
普通选择题 |
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| Subqueries must be placed correctly in SQL stateme... |
普通选择题 |
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| The operator used to find the intersection of two ... |
普通选择题 |
去答题
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| Which of the following aggregate functions is used... |
普通选择题 |
去答题
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| Which SQL function can round a number? |
普通选择题 |
去答题
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| Which function returns the current date and time? |
普通选择题 |
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| Education level is an ordinal variable. To describ... |
普通选择题 |
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| When filling missing values, if the data has an ob... |
普通选择题 |
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| In studying the data, there is a variable "beverag... |
普通选择题 |
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| The chi-square test is a very widely used hypothes... |
普通选择题 |
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