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- msdn.microsoft.com
  
  CASE (Transact-SQL)
  
  SQL Server 在 CASE 運算式中只允許 10 層的巢狀層級。 CASE 運算式無法用於控制 Transact-SQL 陳述式、陳述式區塊、使用者定義函數以及預存程序的執行流程。如需流程 ...
  
  2024-07-15
  
  瀏覽：1500
- msdn.microsoft.com
  
  UPDATE (Transact-SQL)
  
  Transact-SQL 語法慣例語法 Transact-SQL 複製 [ WITH [...n] ] UPDATE [ TOP ( expression ) [ PERCENT ] ] { { table_alias | | rowset_function_limited [ WITH ( [ ...n ] ) ] } | @table ...
  
  2024-07-08
  
  瀏覽：1279

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SQL Server: Best way to Update row if exists, Insert if not

日期：2024-07-10

re: SQL Server: Best way to Update row if exists, Insert if not In my opinion using EXISTS the way you are, is totally flawed on highly concurrent scenarios. Assume two connections; One is sending that code at the "same time" than the other is s...

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Use case when statement with exists and subquery : CASE « Query Select « Oracle PL/SQL Tutorial

日期：2024-07-14

Use case when statement with exists and subquery : CASE « Query Select « Oracle PL/SQL Tutorial ... SQL> SQL> create table emp( 2 emp_no integer primary key 3 ,lastname varchar2(20) not null 4 ,firstname varchar2 ......

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SQL Server: Use a CASE Expression in an Update Statement | a Tech-Recipes Tutorial

日期：2024-07-09

The CASE expression is used to compare one expression with a set of expressions in SQL. The result of the CASE expression is a Boolean value, true or false. We can use various DML statements like INSERT, SELECT, DELETE and UPDATE with a CASE ......

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Case Shiller 100 Year Chart (2011 Update) | The Big Picture

日期：2024-07-08

In 2006, just as the Housing market was peaking, the NYT ran this graphic of the 100-year Case Shiller chart. It showed how radically overvalued Housing had become. Two years later, TBP reader Steve Barry updated that graphic, including the projected Home...

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Which is Most Efficient when Deleting Rows: EXISTS, IN, or a VIEW | Charles Hooper's Oracle Notes

日期：2024-07-09

It might be a problem with the way I wrote that sentence: “So, the most efficient execution plan is the first one (by 0.02 seconds), ” The word “by” in this case was intended to indicate that the first execution completed 0.02 seconds faster than the seco...

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When Windows Update Fails, This Is How You Fix It

日期：2024-07-11

My PC was ‘bitten’ by the update also. Luckily in my case, the System Restore function worked for me. I was concerned that the update was just affecting me (potentially due to a hardware issue) since I was on a relatively new PC. Thanks for the article to...

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Case Law Update :: Pennsylvania Workers' Compensation Lawyer Blog

日期：2024-07-09

Case Law Update :: Pennsylvania Workers' Compensation Lawyer Blog ... On many occasions, we have discussed whether an injury was suffered in the “scope and course” of employment, thus falling under the coverage of the Pennsylvania Workers ......

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SCVMM 2008 and 2008 R2: Error When Trying to Update Virtual Server Host: 432 | The Mad Virtualizer a

日期：2024-07-13

This is caused by the installer not able to update the specific build of Virtual Server. In this particular case, the build/version of Virtual Server installed was 1.1.623. Even a manual installation of the Virtual Server update will fail if the existing ...

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