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- www.cnblogs.com
  
  oracle select for update - 左少白 - 博客園
  
  Oracle的 Select For Update語句可以實現在讀取數據後馬上鎖定相關資源，防止被其他session ... sec@ora10g> @ ...
  
  2025-10-02
  
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- docs.oracle.com
  
  14.2.7.3 SELECT ... FOR UPDATE and SELECT ... LOCK IN SHARE ...
  
  SELECT ... LOCK IN SHARE MODE sets a shared mode lock on any rows that are read. Other sessions can read the rows, but cannot modify them until your ...
  
  2025-09-27
  
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14.2.5 Locking Reads (SELECT ... FOR UPDATE and SELECT ...

日期：2025-09-29

Other transactions can update or delete the same rows you just queried. InnoDB supports two types of locking reads that offer extra safety: SELECT ... LOCK IN ......

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失智筆記: Oracle Lock機制

日期：2025-09-27

2011年4月14日 ... 一個有效的共用鎖明確地用Select … For update形式鎖定行，或執行Lock Table TableName In Share Mode語法鎖定整個表，不允許被其他事務 ......

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Ask Tom "Rows locks from select for update clause" - Oracle

日期：2025-10-01

6 Jul 2002 ... Hi Tom, From my knowledge of oracle, i understand that SELECT FOR UPDATE clause acquires row locks. In that case, if in a given table, ......

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Oracle/PLSQL: SELECT FOR UPDATE Statement

日期：2025-09-28

This Oracle tutorial explains how to use the Oracle/PLSQL SELECT FOR UPDATE ... The SELECT FOR UPDATE statement allows you to lock the records in the ......

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[Chapter 6] 6.11 SELECT FOR UPDATE in Cursors

日期：2025-10-02

In general, this is a wonderful feature because the number of records locked at any ... Oracle offers the FOR UPDATE clause of the SELECT statement to perform ......

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FOR UPDATE Clause in a SELECT Statement | Welcome to ...

日期：2025-09-30

Lock is released only when you issue a ROLLBACK or a COMMIT. ... Oracle offers the FOR UPDATE clause of the SELECT statement to perform this locking....

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Oracle select for update tips

日期：2025-10-01

1 Jan 2013 ... Question: I am having trouble with locking using select for update, and I want to know how to prevent deadlocks while holding row locks....

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Oracle Locking & Concurrency - DataDisk

日期：2025-09-27

There is no overhead involved with row-level locking in Oracle, none ... If a user select a row using FOR UPDATE two locks are placed, one exclusive lock on the ......

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