在Oracle Database 11g中,进行了两个简单的改动以提供更强大的审计解决方案。首先,数据库参数 audit_trail 现在默认情况下设置为 DB,在以前的版本中,它的默认值为 NONE。这允许您对任何对象、语句或权限打开审计,而无需重复使用数据库。 第二处改动是,默认情况下更多语句处于审计范围内。清单如下: ALTER SYSTEM S...
(LIMIT,1,16) LIMIT from dba_profiles where RESOURCE_NAME='PASSWORD_LIFE_TIME' and PROFILE='DEFAULT'; #设置密码期限无期限 ALTER PROFILE default LIMIT PASSWORD_LIFE_TIME UNLIMITED; #查看OMF show parameter db_create_file_dest; #查看数据库是否启动 select instance_name,status from v$instance; #...
Cloud Studio代码运行 {"WARNING":"Parameter PGA_AGGREGATE_LIMIT specified is high","URGENCY":"IMMEDIATE","INFO":"WARNING:pga_aggregate_limit value is too highforthe amountofphysical memory on the systemPGA_AGGREGATE_LIMITis2048MBPGA_AGGREGATE_TARGETis29MB.physical memory size is7042MBlimit based ...
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 (database writer) issues. The max...
ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED; linux下面查看oracle实例名方法:在终端输入echo $ORACLE_SID 2)建序列 CREATE SEQUENCE "C##EVS"."JSBSEQ" MINVALUE 1 MAXVALUE 99999999 INCREMENT BY 1 START WITH 1 CACHE 100 NOORDER CYCLE NOKEEP NOSCALE GLOBAL ...
sql_reconnect_limit-1-1-1FalseSQL Server 重新连接的最大数目。 默认值为 -1,表示进程在停止前将一直尝试重新连接。 cdc_restart_limit6-13600False在大多数情况下,CDC 服务将自动重新启动异常结束的 CDC 实例。 此属性定义每小时失败多少次后服务将停止重新启动实例。 值 -1 表示应始终重新启动实例。
If the total length of the storage data in each row exceeds the upper limit (8192 bytes by default) of GaussDB, the task may fail. For an Oracle RAC cluster, use the scan IP address and service name to create a task. The SCAN IP address can provide better fault tolerance, load capabi...
仅在单实例配置中,当DB_BIG_TABLE_CACHE_PERCENT_TARGET初始化参数设置为非零值时,串行查询可以使用大表缓存。 三、使用自动内存管理 1.自动内存管理简介 管理实例内存最简单的方法是允许Oracle数据库实例自动管理和调优它。为此(在大多数平台上),只设置目标内存大小初始化参数(MEMORY_TARGET)和可选的最大内...
set endtime :Auto-limit the default end time of the predefined SQLs that specify the time range predicate Others describe/desc :Describe Oracle object, provides more features than that of sqlplus xplan :Show execution plan for input SQL text/ID, as well as downloading the 10053 trace file ...
(120); 7 CN_BATCH_SIZE CONSTANT PLS_INTEGER := 1000; 8BEGIN 9 SQL_STAT := 'SELECT ENAME FROM T_EMP_LHR WHERE DEPTNO > :1'; --动态SQL字符串10 OPEN EMP_CV FOR SQL_STAT USING 1; --从动态SQL中打开游标11 LOOP12 FETCH EMP_CV BULK COLLECT INTO ENAME_TABLE LIMIT CN_BATCH_SIZE; ...