1CDB1 is a container database. 2 APP_ _ROOT is an application root in CDB1. 3 APP PDB1 is an application PDB in APP_ ROOT. 4 FLASHBACK DATABASE is ON. You execute these commands: $ sqlplus sys/oracle_ 4U@localhost:1521/cdb1 ...
1.v$flashback_database_log Flashback Database 所能回退到的最早时间,取决与保留的Flashback Database Log 的多少...确认闪回是否开启 select name,current_scn,flashback_On from v$database NAME...默认值是1440,单位是minute,即24 小时,需要注意的是该参数虽然未直接指定flash recovery area大小,但却受...
In addition, either you must have FLASHBACK object privilege on the objects in the select list, or you must have FLASHBACK ANY TABLE system privilege. Syntax select::= Description of the illustration select.eps (subquery::=, for_update_clause::=) ...
tables,andimportantdata,toaminimumbycarefullygrantingonlythenecessaryprivilegestoeachuser.Asaresultofseveralongoingtransactionswithinyourdatabase,youdiscoverthattheflashbacklogsarerapidlyincreasingintheflashrecoveryarea.Toavoidout-of-spaceerrors,youdecidetodeletetheflashbacklogsfromtheflashrecoveryarea.How...
MINUS SELECT * FROM employees; 场景 CREATE TABLE flashback_query_test ( id NUMBER(10) ); SELECT current_scn, TO_CHAR(SYSTIMESTAMP, 'YYYY-MM-DD HH24:MI:SS') FROM v$database; CURRENT_SCN TO_CHAR(SYSTIMESTAM --- --- 722452 2004-03-29 13:34:12 INSERT...
So, SELECT_CATALOG_ROLE is not pure SELECT as it also has some FLASHBACK and also 2 READ but importantly 2 EXECUTE grants. The total grants are 4539 in Oracle 18c XE. The next step is how many SYS objects of TABLE or VIEW are there. I know you also SELECT from a SEQUENCE but lets...
SQL>SELECT ADDR,PID,SPID FROM V$PROCESS WHERE ADDR= C000000084435AD8'; ADDR PID SPID --- C000000084435AD8 91 4835 b. 设置事件,以10046为例 sqlplus /nolog SQL>connect / as sysdba; SQL>oradebug setospid 4835 SQL>oradebug unlimit --不限制转储...
SELECT * FROM sales_external EXTERNAL MODIFY (LOCATION 'sales_9.csv’ REJECT LIMIT UNLIMITED);flashback_query_clause flashback_query_clauseを使用すると、データに関連付けられた時間ディメンションに基づいて、表、ビューまたはマテリアライズド・ビューからデータを取得できます。 この句...
So, SELECT_CATALOG_ROLE is not pure SELECT as it also has some FLASHBACK and also 2 READ but importantly 2 EXECUTE grants. The total grants are 4539 in Oracle 18c XE. The next step is how many SYS objects of TABLE or VIEW are there. I know you also SELECT from a SEQUENCE but lets...