Tab_name name_list:=name_list(); Tab_type type_list:=type_list(); sql_str VARCHAR2(500); v_err_code NUMBER; v_err_msg VARCHAR2(200); BEGIN -- drop all reference constraints begin sql_str := 'select table_name,constraint_name from user_constraints where constraint_type=''R'''; ...
UnlikeCASCADE,INVALIDATEbypasses all the type and table checks and simply invalidates all schema objects dependent on the type. The objects are revalidated the next time they are accessed. This option is faster than usingCASCADE, but you must be certain that no problems will be encountered revali...
您可以使用 Oracle Enterprise Manager Cloud Control (Cloud Control) Reorganize Objects 向导或使用 DBMS_REDEFINITION 包执行在线表重新定义。 DBMS_REDEFINITION 包所需的权限 在DBMS_REDEFINITION 包中运行子程序需要有执行权限。 对 DBMS_REDEFINITION 包的执行权限被授予EXECUTE_CATALOG_ROLE。 此外,要让用户使用包重...
SQL> select * from all_directories; 4、查看数据库现有模式、是否归档 SQl>select name,log_mode from v$database; 也可以用下面的语句 archive log list;(该方法需要as sysdba) 查看数据库的创建日期和归档方式 SQL> Select Created, Log_Mode, Log_Mode From V$Database; 5、配置用户密码过期时间 alter p...
You can list PARs created on buckets and objects. You can also delete PARs, regardless of whether the PAR is active or expired. Once a PAR is deleted, the PAR URL will immediately stop working. PAR URLs will also stop working if permissions of the user that created the PAR change such ...
Mapping Oracle Objects Oracle object types provide support for composite data structures in the database. For example, you can define a typePersonthat has attributes such as name (typeCHAR), phone number (typeCHAR), and employee number (typeNUMBER). ...
def index(request): location_list = locations.objects.all().order_by('location_id') tmpl = loader.get_template("index.html") cont = Context({'locations': location_list}) return HttpResponse(tmpl.render(cont)) 这将从 models.py 中导入 'locations' 模型。 创建了一个按 LOCATION_ID 排序的...
LIST CHAINED ROWS [INTOtablename] COMPUTE|ESTIMATE STATISTICSFOR TABLE COMPUTE|ESTIMATE STATISTICSFOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICSFOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICSFOR COLUMNS [SIZE int] column [SIZE int] When Estimating statistics youcan optionally ...
archive log list; 补充日志 按业务需求,选择开启库级别补充日志或者表级别补充日志: 说明 开启库级别补充日志,则DTS任务运行更为稳定;开启表级别补充日志,则更节约源Oracle数据库的磁盘空间。 开启库级别补充日志 打开最小补充日志: alter database add supplemental log data; ...
DatasetListResponse DatasetLocation DatasetReference DatasetResource DatasetResource.Definition DatasetResource.DefinitionStages DatasetResource.DefinitionStages.Blank DatasetResource.DefinitionStages.WithCreate DatasetResource.DefinitionStages.WithIfMatch DatasetResource.DefinitionStages.WithParentResource DatasetResource.Defini...