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An ORDER BY clause in SQL specifies that a SQL SELECT statement returns a result set with the rows being sorted by the values of one or more columns. The sort criteria does not have to be included in the result set (restrictions apply for SELECT DISTINCT, GROUP BY, UNION [DISTINCT], EXCEPT [DISTINCT] and INTERSECT [DISTINCT].)
FLWOR is an acronym: FOR, LET, WHERE, ORDER BY, RETURN. [1] FLWOR is loosely analogous to SQL's SELECT-FROM-WHERE and can be used to provide join-like functionality to XML documents. for creates a sequence of nodes; let binds a sequence to a variable; where filters the nodes on a boolean expression; order by sorts the nodes; return gets ...
Previous Page: sort the data in the reverse order, select only the first {rows} rows, where the {unique_key} is less than {first_val} (the value of the {unique_key} of the first row in the current page), and sort the result in the correct order; Read and send to display all the rows read from the database
1. Click the Settings icon | select More Settings. 2. Click Filters. 3. Click Add new filters. 4. Enter the filter name, set the filter rules, and choose or create a folder for the emails. 5. Click Save.
1. Go to AOL Mail. 2. Next to the search box, click the Drop down icon . 3. Select the part of your account you want to search. 4. Click the Search icon.
From AOL Mail, open an email. Click the More options icon.; Click Add Sender to Contacts.; Enter the contact's info. Click Save.
If multiple combinations are applied, parentheses can be used to group combinations to indicate the order of evaluation. Without parentheses, the AND operator has a stronger binding than OR. The following example deletes rows from mytable where the value of mycol is greater than 100, and the value of item is equal to the string literal 'Hammer':
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