partitionbylist(job) ( partition p_job1values('PRESIDENT','MANAGER','ANALYST'), partition p_job2values('CLERK'), partition p_job3values(default) ); insert into emp_list select * from emp; select * from emp_list partition(p_job1); --查询分区数据 4.3、HASH分区(hash partition) HASH分区...
NameKeyRequiredTypeDescription Procedure name procedure True string Name of stored procedure Parameters list parameters True dynamic Input parameters to the stored procedure Returns The outputs of this operation are dynamic. Get rowOperation ID: GetItem This...
also, return a list of objects found to have no statistics. LIST AUTO: Returns a list of objects to be processed with GATHER AUTO. LIST STALE: Returns list of stale objects as determined by looking at the *_tab_modifications views. LIST EMPTY: Returns list of objects which currently have ...
2、 FREELIST(自由列表) Oracle通过维护FREELIST列表来记录或更新所有可用的数据块。当执行INSERT语句时,Oracle首先在FREELIST列表上搜索可用的空闲数据块,搜索成功之后将数据插入到那个空闲块。块在FREELIST列表中的可用性由PCTFREE参数值来决定。起初一个空块在FREELIST列表上列出,并且会一直保留,直到空闲空间达到PCTFR...
NameKeyRequiredTypeDescription Procedure name procedure True string Name of stored procedure Parameters list parameters True dynamic Input parameters to the stored procedure Returns The outputs of this operation are dynamic. Get rowOperation ID: GetItem This...
Oracle list Oracle]Oracle语句集锦(不断的更新中...) --T4 SQL>sqlplus use_name/pass_word --默认用户/密码 scott/tiger system/manager sys/change_on_install --显示用户名 SQL>show use_name --切换用户 SQL>connect use_name/pass_word --切换到SYS...
- Popup Color Picker — 位于 Popup List of Values 下 - Date Picker(使用格式掩码) 日历增强功能 创建日历页面或区域时,您将自动获取每月、每周和每天的日历。用户可以使用按钮在他们所需的模式之间切换。 支持对象增强功能 Application Express 2.2 中引入的支持对象特性进行了增强,允许定义升级脚本。因此,您可...
status - status of the constraint (ENABLED/DISABLED) Rows One row represents one check constraint and its column in a database Scope of rows: (A) all check constraints with columns on a table accessible to the current user in Oracle database, (B) all check constraints with columns on a ...
alter table orders drop columns continue checkpoint 1000 data_dictionary : dba_unused_col_tabs 第四章:索引 1.creating function-based indexes sql> create index summit.item_quantity on summit.item(quantity-quantity_shipped); 2.create a B-tree index ...
| LIST CHAINED ROWS [ into_clause ] | DELETE [ SYSTEM ] STATISTICS } ; (1)INDEX index:对索引进行分析,分析的结果会放在USER_INDEXES, ALL_INDEXES,或 DBA_INDEXES中 分析的内容: Depth of the index from its root block to its leaf blocks (BLEVEL) ...