2、db_files和maxdatafiles参数的关系 The db_files parameter is a "soft limit " parameter that controls the maximum number of physical OS files that can map to an Oracle instance. Historically (before Oracle8i) you need to be careful not to set db_files too high, else you would have DBWR...
Oracle 12.2.0.1 自 2022 年 4 月 1 日起进入持续模式,自 2022 年 4 月起发布的季度补丁包受密码保护,仅适用于获得季度更新例外批准的客户。 Oracle 12.1.0.2 自 2022 年 8 月 1 日起进入持续模式。2022 年 7 月之后发布的季度补丁包仅适用于获得季度更新批准的客户。 数据库 11.2.0.4 自 2021 年 1 ...
Database And ASM InstanceOra-27300 OS System Dependent Operation Fork Failed With Status 11 (Doc ID2331884.1) systemd limited maximumnumber of tasks that may be created on the node.This setting will alsoaffect maxpid value on the OS. 主要是MAX_PID 修改DefaultTasksMax 从SLES 12 SP2开始引入了PI...
If a field, for example Year, is a number, but you want to group on that value, click Include Value Fields so that it is displayed in the Group By list. In the Chart Values list, select the checkboxes for value fields to aggregate in the chart, and select a function in the Summary...
18 SQL> select file_type, percent_space_used as used,percent_space_reclaimable as reclaimable, number_of_files as "number" from v$flash_recovery_area_usage; 19 20 FILE_TYPE USED RECLAIMABLE number 21 --- --- --- --- 22 CONTROLFILE 0 0 0 23 ONLINELOG 0 0 0 ...
bug: 19509982,错误特征:ORA-01792 "MAXIMUM NUMBER OF COLUMNS IN A TABLE OR VIEW IS 1000" bug: 20048270,错误特征:ORA-00979: not a GROUP BY expression 遇到上面罗列的bug,都得打补丁才能修复。 【解决方案】 下面罗列的,是ORACLE公司推荐,或是客户系统运行时,遇上 BUG 的汇总: --1、19C版本,请打...
# this technique can be used to close arbitrary number of cursors map(operator.methodcaller("close"), (self.__cursor, self.__db)) def clob(self): # populate the table with large data (1MB per insert) and then # select the data including dbms_lob.getlength for validating assertion ...
"We’ve experienced excellent performance running ScyllaDB on OCI Ampere compute. One unique characteristic is that we are able to scale the number of cores linearly, so that a VM with 64 cores will perform double that of a 32 core, quadruple a 16 core, etc. Running ScyllaDB on OCI Ampere...
LOOP display 'Employee number? '; read emp_number; IF emp_number = 0 THEN exit loop; EXEC ORACLE OPTION (HOLD_CURSOR=YES); EXEC SQL SELECT ENAME, SAL INTO :emp_name, :salary FROM EMP WHERE EMPNO = :emp_number; display 'Salary for ', emp_name, ' is ', salary; ENDLOOP; ... ...
How do I check if EmpID EE# exists in SupervisorID column and categorize it based on Manager or Individual Contributor in OBIEE. Here's the table for reference. Currently, consider there are only 2 columns EmpID EE# and SupervisorID. I need a formula to...