QUERY 1: Check table size from user_segments. When you are connected to your own schema/user. select segment_name,sum(bytes)/1024/1024/1024 GB from user_segments where segment_type='TABLE' and segment_name=upper('&TABLE_NAME') group by segment_name; QUERY 2: Check table size from dba...
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break on TABLE_NAME skip 2 ON INDEX_NAME ON INDEX_TYPE ON MB compute sum of NR_EXEC on TABLE_NAME SKIP 2 compute sum of MB on TABLE_NAME SKIP 2 SET TIMI OFF set linesize 140 set pagesize 10000 set verify off col OWNER noprint col TABLE_NAME for a30 heading 'Table name' col IND...
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看到我们可以查到相应权限,当我们需要的权限没有的时候,可以用sys或者system账号给用户赋权,命令如下: grant 要赋予的权限名 to 要赋予权限的用户名;比如我们缺少resource权限,如下赋权: grant resource to Cameroon;缺少其他权限,类似上述命令 比如缺少 drop any table 权限——赋权: grant drop any table to ...
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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...
ORA-17259SQLXML cannot find the XML support jar file in the classpathSQLXML 在类路径中找不到 XML 支持的jar文件。 ORA-17260Attempt to read an empty SQLXML尝试读取一个空的 SQLXML。 ORA-17261Attempt to read a SQLXML that is not readable尝试读取不可读的 SQLXML。
CREATE TABLE SAMPLE_TABLE( char_field CHAR(10), varchar_field VARCHAR2(10), todays_date DATE) You also use these datatypes when you define variables as part of a PL/SQL procedure. Character Datatypes Character datatypes can store any string value, including the string representations of numeric...
The Oracle connector provides built-in data partitioning to copy data from Oracle in parallel. You can find data partitioning options on theSourcetab of the copy activity. When you enable partitioned copy, the service runs parallel queries against your Oracle source to load data by partitions. ...