The quickest method toselect all on Macis to use aCommand (Cmd)-Akeyboard shortcut. These two keys will highlight all available material within an open window. The key combination selects every file when used within a folder; when used on a webpage, it selects all text, graphics, video...
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The following example returns all rows from theDimEmployeetable, and calculates the gross pay for each employee based on theirBaseRateand a 40-hour work week. SQL SELECTFirstName, LastName, BaseRate, BaseRate *40ASGrossPayFROMDimEmployeeORDERBYLastName; ...
The following example returns all rows from the DimEmployee table, and calculates the gross pay for each employee based on their BaseRate and a 40-hour work week. SQL Copy SELECT FirstName, LastName, BaseRate, BaseRate * 40 AS GrossPay FROM DimEmployee ORDER BY LastName; C. Use DIST...
Note:Not all database systems support theSELECT TOPclause. MySQL supports theLIMITclause to select a limited number of records, while Oracle usesFETCH FIRSTnROWS ONLYandROWNUM. SQL Server / MS Access Syntax: SELECTTOPnumber|percentcolumn_name(s) ...
Click the object to select it. If that does not select it, on theHometab, in theEditinggroup, clickSelectand do one of the following: To select all of the objects and placeholders on the slide, clickSelect All. To select objects that are hidden, stacked, or behind text, clickSel...
To select the entire worksheet, click theSelect Allbutton at the top left corner. Note:In some cases, selecting a cell may result in the selection of multiple adjacent cells as well. For tips on how to resolve this issue, see this postHow do I stop Excel from highlighting two cells at...
可以用 ALL 或 ANY 关键字修改引入子查询的比较运算符。SOME 是与 ANY 等效的 ISO 标准。 通过修改的比较运算符引入的子查询返回零个值或多个值的列表,并且可以包括 GROUP BY 或 HAVING 子句。这些子查询可以用 EXISTS 重新表述。 SELECT Name FROM Product ...
If you omit theDISTINCTkeyword, the SQL statement returns the "Country" value from all the records of the "Customers" table: Example SELECTCountryFROMCustomers; Try it Yourself » Count Distinct By using theDISTINCTkeyword in a function calledCOUNT, we can return the number of different countri...
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