DB2 Version 9.7 for Linux, UNIX, and Windows Last Updated: 2021-03-01 This topic describes how to use the Index view to find topics in the Information Center. To display the Index view, click the Index tab ().The Index icon is found at the bottom of the navigation pane. ...
For more information, see the IBM DB2 Application Programming and SQL Guide. Distributed Data Facility The Distributed Data Facility (DDF) is supported. DDF is implemented to permit you to view plan reports at remote installations. A Location prompt on all report panels lets you switch to a ...
注意:当表名不是指DB2基本表时,具有下列限制: 视图只允许进行存储过程或表值函数搜索。 因此,必须使用KEY COLUMNS FOR INDEX ON VIEW子句指定索引或视图的键列。 对于对不具有捕获表的昵称的增量索引更新,会创建一个日志表。 如果对昵称表或视图中的数据进行任何更改,那么必须手动指定日志表。 对于基本表,此操作...
COMPLEX_VIEW_MERGING parameter, 20-27 composite indexes, 8-18 compression of free space in data blocks, 2-9 COMPUTE STATISTICS clause, 20-42 concatenated indexes, 8-18 concurrency defined, 1-20 described, 23-2 direct-load INSERT, 21-9 enforced with locks, 1-22 limits on ...
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CREATE INDEX index_name ON table_name (column1, column2, ..., columnN); 五、使用index加速查询 使用index可以显著提高查询的速度。当执行查询语句时,数据库会首先检查是否存在适用的index,如果存在,则会使用index加速查询。以下是一些使用index加速查询的示例: 1.单列index:创建单列index可以加速对单个字段的...
DB2 datatypes, 2-28 conversion to Oracle datatypes, 2-29 restrictions on, 2-30 DBA role, 7-530 DBA_2PC_PENDING view, 7-84 DBA_COL_COMMENTS view, 7-228 DBA_ROLLBACK_SEGS view, 7-496 DBA_TAB_COMMENTS view, 7-228 DBMS_OUTPUT package, 7-184 DBMS_ROWID package and ext...
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Create a view and change the data types of some variables Create a writable view in SQL DB create an index on just the date part of a datetime field Create Database Failed - Primary file must be at least 3 MB ... create dynamic tables with select * into using dynamic table names cre...
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