大约有 47,000 项符合查询结果(耗时:0.0331秒) [XML]

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When should I use a table variable vs temporary table in sql server?

... source for the data inserted to the table is from a potentially expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan. If you need the data in the table to survive a rollback of an outer user transaction then use a table variab...
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What's the better (cleaner) way to ignore output in PowerShell? [closed]

...est 1 (Measure-Command { for ($i = 1; $i -lt 99; $i++) { $GetProcess | Select-Object -Property ProcessName | Out-Null } }).TotalMilliseconds # Batch 2 - Test 2 (Measure-Command { for ($i = 1; $i -lt 99; $i++) { [void]($GetProcess | Select-Object -Property ProcessName ) } }).TotalMillise...
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Add directives from directive in AngularJS

...n input tag, but I'd like to make it work for any element, such as divs or selects. – frapontillo Oct 9 '13 at 15:37 1 ...
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Xcode stops working after set “xcode-select -switch”

...eloper directory, not the Xcode application bundle. Run this: sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer With recent versions of Xcode, you can go to Xcode ➙ Preferences… ➙ Locations and pick one of the options for Command Line Tools to set the location. ...
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update columns values with column of another table based on condition [duplicate]

...ble1.id = table2.id You can also try this: UPDATE table1 SET price=(SELECT price FROM table2 WHERE table1.id=table2.id); share | improve this answer | follow ...
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DBMS_OUTPUT.PUT_LINE not printing

...tion i want it to (firstName, lastName) and then the other values from the select query in a table below. 6 Answers ...
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'Java' is not recognized as an internal or external command

... For Windows 7: Right click on My Computer Select Properties Select Advanced System Settings Select Advanced tab Select Environment Variables Select Path under System Variables Click on Edit button In Variable value editor paste this at the start of the line C:\Progr...
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta

...machine, launch Xcode and do this: Open the Organizer (Shift-Command-2). Select the Devices tab. Choose Developer Profile in the upper-left corner under LIBRARY, which may be under the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode as...
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Is it possible to open a Windows Explorer window from PowerShell?

...tion looking for a way to open an Explorer window from PowerShell and also select a file. I'm adding this answer in case others come across it for the same reason. To launch Explorer and select a file, use Invoke-Expression: Invoke-Expression "explorer '/select,$filePath'" There are probably oth...
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Best way to add Activity to an Android project in Eclipse?

...th Eclipse 3.5.2 on Ubuntu 10.04. When the add dialog comes up, it has two selections... No, now only one "Create a new element at the top level, in Application." Ne;low that there is a text entry field and below that, a box with selections for Activity, Activity Alias, Meta Data and so on. Below th...