你正在用共享效劳器治理一个数据库。Large_pool_size是50M。你执行命令:alter system set Large_pool_size=100M scope=memory后然后关闭并重启数据库。此刻Large_pool_size是多少?( ) A. 50M B. 默许Large_pool_size大小 C. 100M D. 和利用中的oracle SPfile设置的一样 ...
Set up the columns with the datatype of datetime2 and define them as NOT NULL. If you define a period column as NULL, an error results. You can define a column_constraint and/or Specify Default Values for Columns for the system_start_time and system_end_time columns. See Example A in...
5% of the value of SHARED_POOL_SIZE Parameter class Static Range of values Minimum: value of SHARED_POOL_RESERVED_MIN_ALLOC Maximum: one half of the value of SHARED_POOL_SIZE (in bytes) SHARED_POOL_RESERVED_SIZE specifies (in bytes) the shared pool space that is reserved for lar...
The types of buffer pool extension options.C# Копіювати public enum AlterServerConfigurationBufferPoolExtensionOptionKindInheritance Enum AlterServerConfigurationBufferPoolExtensionOptionKind FieldsРозгорнутитаблицю NameValueDescription None 0 OnOff 1...
ALTER DATABASE [database_name] SET QUERY_STORE = ON ( OPERATION_MODE = READ_WRITE, CLEANUP_POLICY = ( STALE_QUERY_THRESHOLD_DAYS = 90 ), DATA_FLUSH_INTERVAL_SECONDS = 900, QUERY_CAPTURE_MODE = AUTO, MAX_STORAGE_SIZE_MB = 1024, INTERVAL_LENGTH_MINUTES = 60 ); F. 使用等待统计信息...
1)alter system flush global context 下图说明: 对于多层架构的,如上图:应用服务器和数据块服务器通过连接池进行通信,对于连接池的这些信息被保留在SGA中,这条语句便是把这些连接信息清空。 2)alter system flush shared_pool 将使library cache和data dictionary cache以前保存的sql执行计划全部清空,但不会清空共享...
[ ,SIZE= size [KB|MB|GB|TB] ] [ ,MAXSIZE= {max_size[KB|MB|GB|TB] |UNLIMITED} ] [ ,FILEGROWTH=growth_increment[KB|MB|GB|TB| % ] ] [ ,OFFLINE] )<add_or_modify_filegroups>::={ |ADDFILEGROUPfilegroup_name[CONTAINSFILESTREAM|CONTAINSMEMORY_OPTIMIZED_DATA] |REMOVEFILEGROUPfilegroup_...
system_var_name修改租户的系统变量值。 示例 锁定租户tenant1。 obclient>ALTERTENANT tenant1LOCK; 修改租户tenant1的 Primary Zone 为zone2。 obclient>ALTERTENANT tenant1 primary_zone='zone2'; 不可直接替换租户的资源池,否则将出现以下错误。 obclient>ALTERTENANT tenant1 resource_pool_list=('pool2');...
The buffer pool size will be changed when the database is reactivated (all applications need to be disconnected from the database). Reserved memory space is not needed; the database will allocate the required memory from the system at activation time. ...
System DBADM FL 500Installation SYSOPR authority (when the current SQLID of the process is set to SYSINSTL) If the database is implicitly created, the database privileges must be on the implicit database or on DSNDB04. IfBUFFERPOOLorUSING STOGROUPis specified, additional privileges could be...