You can specify a name space value for the table to distinguish it from similarly named tables in the model. This category also displays information reported by the host database management system (DBMS) about
subview-definition MODE DB2SQLunder-clause (with-options)EXTEND oid-column REF ISoid-column-nameUSER GENERATED UNCHECKED with-options ,column-nameWITH OPTIONS,SCOPEtyped-table-nametyped-view-name READ ONLY under-clause UNDERsuperview-nameINHERIT SELECT PRIVILEGES説明 OR REPLACE ビューの定義が現行の...
The first 32,000 bytes of the materialized view definition query. rep_type Version of the materialized view. Valid constants that can be assigned include the following: dbms_mview.reg_v7_snapshotif the materialized view is at an Oracle7 site ...
In a structured query language (SQL) database, for example, a view becomes a type of virtual table with filtered rows and columns that mimic those of the original database. While the table generated in a view is permanent, the data within fields is subject to change according to the sourc...
1)查看V$WAITSTAT这个动态性能视图的创建脚本,我们采用dbms_metadata.get_ddl这个函数包,将它的脚本刨出来。 SYS@ORA11GR2>select dbms_metadata.get_ddl(upper('view'),upper('v$waitstat'),upper('sys')) from dual; ERROR: ORA-31603: object "V$WAITSTAT" of type VIEW not found in schema "SYS" ...
This paper proposes a solution based on the definition of a multi-level schema architecture, emphasising: (i) The integration of this informaton into a federated schema. (ii) Improvement of the sharing and re-use of information between views Furthermore, we argue that view mechanism capabilities...
VIEW_NAME VIEW_DEFINITION--- ---GV$SORT_USAGEselectx$ktsso.inst_id, username, username, k tssoses, ktssosno, prev_sql_addr, prev_hash_v alue, prev_sql_id, ktssotsn, decode(ktssocnt,0,'PERMANENT',1,'TEMPORARY'), decode(ktss osegt,1,'SORT',2,'HASH',3,'DATA',4,'INDEX', ...
DBMS_MVIEW.EXPLAIN_MVIEW (mv IN VARCHAR2,statement_id IN VARCHAR2:= NULL);DBMS_MVIEW.EXPLAIN_MVIEW (mv IN VARCHAR2,msg_array OUT SYS.ExplainMVArrayType); Parameters Table 54-5 EXPLAIN_MVIEW Procedure Parameters ParameterDescription
A view that is the superview of the view definition (the subview) becomes inoperative. In practical terms, an inoperative view is one in which the view definition has been unintentionally dropped. For example, when an alias is dropped, any view defined using that alias is made inoperative. ...
点击Connect,即可预览 BTP ABAP 环境里 Service Definition 暴露出来的 CDS view 的数据: 点击Load 按钮,将这些数据导入到 Excel 中。 在Advanced options 里,我们可以自由编写 SQL 语句,将 Excel 当成一个简单的 SQL 控制台使用: 上图编写的 SQL 语句,将订单行项目的数量进行求和,并显示结果到 Excel 里: ...