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這是一種 SQL 或 XQuery 運算元,或 SQL 或 XQuery 運算子和運算元的集合,用於產生單一值。 表示法 (notation) 這是一種 XML 建構,其中含有 XML 檔內之資訊相關的附註、註解或解說。表示法可用來建立二進位說明與實體或屬性的關聯。 表單Bean (form bean) 在Struts 中,這是用來儲存用戶端送出要求的 HTML ...
After those Db2 PTF Groups are applied, the behavior is changed to allow duplicate key names within JSON documents. Db2 for i also added in a new SQL syntax to allow the programmer to control whether duplicate keys should be disallowed. The behavior change was documented in theMemorandum To U...
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When combining FlashCopy with thin provisioning, for example, you can create copies by using only a fraction of the amount of storage that is required for a full physical copy. Using thin provisioning with Metro Mirror and Global Mirror similarly results in more efficient high availability and ...
OpenForm Stay current on recent Redbooks publications with RSS Feeds: http://www.redbooks.ibm.com/rss.html xiv IBM Db2 12 for z/OS Performance Topics 1 Chapter 1. Introduction As with prior releases, performance and scalability improvements are major themes in IBM Db2 12 for z/OS. ...
CTRC also provides full duplex TCP passthrough to DB2 systems that support direct TCP/IP access. Clients use a CTRC IP address and port on the router to connect to the IBM host system in either an SNA network or a TCP/IP network. ...
If the heap size is too small, full garbage collection is faster but occurs more frequently. For more information, consult the "References" section at the end of this paper. In order to tune the heap size to minimize the time the JVM spends doing garbage collection while maxim...
nspname NOT IN ( 'pg_catalog', 'information_schema', 'aws_db2zos_ext', 'public') AND p.prokind = 'p' GROUP BY n.nspname, p.proname ORDER BY n.nspname, p.proname; Functions In Db2 for z/OS, SQL functions implement specific business ...
SQL Server SQL Server Integration Services Index : "Invalid object name '#Temp'.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly. '1899-12-30 00:00:00.000' appears in Date Ti...