SQL ch3 review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | query
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| show | SELECT clause
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| Next you type the word FROM followed by the name of the table that contains the data you need to query. This portion of the command is called? | show 🗑
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| Finally, after the word WHERE you list any conditions that apply to the data you want to retrieve. This optional portion of the command is called the? | show 🗑
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| A ___ has this form: column name, comparison operator, and then either another column name or a value | show 🗑
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| show | compound conditions
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| show | computed column
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| An ____ which consists of the IN operator followed by a collection of values, provides a concise way of phrasing certain conditions. | show 🗑
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| show | ORDER BY
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| 34.The column on which data is to be sorted is called a ____ or simply a ___. | show 🗑
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| show | major sort key (primary sort key), minor sort key(secondary sort key)
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| 34.SQL has special functions, called ___ ___ to calculate sums, averages, counts, max values, and min values. | show 🗑
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| show | subquery, first
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| show | HAVING clause
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
kat1350
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