• Allowing or disallowing row-level locking affects database performance.

    允许禁用行级锁定会影响数据库性能

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  • The header is used to link together consecutive records, and also in row-level locking.

    这个用来连接连续记录用于行级锁。

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  • The first thing every contestant needed to do was change every table to row-level locking.

    每位参赛者需要第一件事每个更改行级别锁定。

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  • During an export operation, row-level locking is applied to the exporting table, which means that only one lock is held at a time.

    导出操作期间,行级别锁定应用于导出表(exportingtable),意味着持有

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  • WebSphere Process Server accesses its databases in multiple concurrent threads and USES row-level locking to ensure data consistency during its transactions.

    WebSphereProcessServer通过多个并发线程访问数据库使用行级锁定确保事务期间数据一致性

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  • In fact, the only row-level locking that remains during INSERT is the next-key locks that are required to protect an INSERT from adding keys to repeatable read scanners.

    实际上,在INSERT期间惟一保持行级next - key,这个锁用于使INSERT不会添加可重复扫描器

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  • To determine which tables in a database have page-level locking and need to be modified to row-level locking, I use a helpful SQL script: genlockmod.sql (see Listing 1).

    为了确定数据库中的哪些具有页面级锁定以及需要修改行级别锁定,使用了一sql脚本genlockmod . sql(参见清单1)。

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  • This script will read the Informix system tables, find out which tables have page-level locking, and then generate another SQL script to change those tables to row-level locking.

    脚本读取Informix系统找出哪些具有页面级锁定然后生成另一段sql本来这些更改行级别锁定。

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  • For MDC tables, the selection of BLOCKINSERT may improve the performance of INSERT operations by locking at the block level and avoiding row locks for INSERT operations.

    对于mdc选择BLOCKINSERT可以提高INSERT操作性能,因为使用避免INSERT操作使用

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  • Supports table and row level locking and 4 isolation levels, RR (repeatable read), rs (read stability), CS (default - cursor stability) and ur (uncommitted read).

    支持表级以及4个隔离级别RR(可重复)、RS(读可靠)、CS(默认——游标可靠)和UR(未提交读)。

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  • Tables created by Informix default to page-level locking, so when two or more users attempt to update a row on the same page, at least one will get a lock error.

    Informix创建默认执行了页面级锁定所以两个更多用户尝试更新同一页面中的一行时至少个用户获得锁定错误。

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  • Some databases (such as SQL Server) allow you to disable the page-level locking in hopes that it won't escalate from a row-level lock to a table-level lock.

    一些数据库(比如sqlServer)允许禁用页面以期不会切换锁。

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  • If table locking is not used, the default USES row - level locks, unless the.

    如果使用表锁定默认使用锁定除非

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  • If table locking is not used, the default USES row - level locks, unless the.

    如果使用表锁定默认使用锁定除非

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