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What Oracle DBA should do on a daily, weekly, and monthly basis (I) Check alert on a daily basis. log ② check the environment ● check whether the database instance is working properly ▼ ps-ef | grep ora _ explain select status from v $ instance ● whether the listener is working properly ▼ lsnrctl status ● whether the tablespace is faulty ▼ select tablespace_name, status from dba_tablespace; ● control file,

During the Oracle database operation, the DBA should monitor the database's running log and table space usage, and discover the problems in the database as early as possible. Oracle Warning log file monitoring Oracle will log some of the database operations in the warning log file (alert_sid.log) during the run: The

Differences between Oracle SYS and system users, sysdba and sysoper system permissions, and sysdba and DBA roles) Differences between sys and system users1) The most important difference is that the importance of stored data is different.Base tables and views of all ORACLE data dictionaries in SYS are stored in SYS users. These base tables and views are

Label:The differences between Oracle DBA and SYSDBA are as follows:1. A DBA is a role that corresponds to the set of operations permissions on an object in an Oracle instance, and SYSDBA is a conceptual role that is a sign-in authentication identity. Moreover, the DBA is an

Sysdba manages oracle instances. It does not rely on the full startup of the entire database. Once the instance is started, it already exists. It logs in as sysdba and loads data. Sysdba manages oracle instances. It does not rely on the full startup of the entire database. Once the instance is started, it already exists. It logs in as sysdba and loads data. Differences between sys and system users 1) T

The following articles mainly describe the Common commands of Oracle DBA through the code of the actual application. If you are a beginner in Oracle DBA, you can use the following articles to understand the specific operations or related functions. The following is an introduction to the text. Create temporary tablespa

triggered or any other method is required. Once this function is triggered, the user can be successfully promoted to DBA permissions. Example: www.2cto.com First, we create a user birdarmy who has the permission to create tables and functions. To facilitate the test, I directly grant them the connect and resource permissions. SQL> create user birdarmy identified by 123456; User created. SQL> grant connect, resource to birdarmy; Grant succeeded. Use t

I used to mix dba and sysdba. Today I am discussing the differences between them in the Forum. The special record is as follows: SYSDBA is not a permission. When a user logs on to the database as SYSDBA, the user will become SYS. You can log on as sysdba to open the database, close the database, create SPFILE, and restore the database, which cannot be implemented by the DBA role; Sysdba is the system p

ORACLE management-view users with DBA roles 1. view All users: select * from dba_users; select * from all_users; select * from user_users; 2. view system permissions of users or roles (system permissions assigned to users or roles): select * from dba_sys_privs; select * from user_sys_privs; SQL> select * from user_sys_privs; username privilege adm ---------------------------- permission --- zszq unlimited t

While Oracle DBAs are high-end jobs in the IT industry and demand is strong, it is essential to enter the industry to do a DBA interview. Oracle Training Center CUUG the most important Oracle DBA interview questions and answers for the O