Database Administrator

admin | data | database Database Administrator dba what is DBA database administrator, English is the DBA. This position means a different meaning to different people. A small software development studio is a much broader responsibility than a

The following topics can be selected according to their own situation to answer, do not have to answer all. You can also directly to the relevant questions to be responsible for interview personnel and not Shang ... One: SQL tuning class 1:

Administrator | data | The adjustment and optimization of database database may be one of the most important and critical tasks for a database administrator. Unfortunately, tuning and performance tuning for databases like SQL Server is not an easy

The level of DBA is not very strict. According to the database mastery, I simply divided into three levels: primary primary, Intermediate intermediate and advanced senior. The Junior DBA, also known as Dbbs, is the abbreviation for the English

Many times managers ignore the personality characteristics of DBAs , who only focus on the technical capabilities of DBAs. In fact, each of the responsibilities mentioned above means that the DBA needs to deal with a variety of people who may be

I. GENERAL monitoring 1. Monitor the database warning log. Alert.log, do backup and delete regularly. 2. Linstener.log's monitoring,/network/admin/linstener.ora. 3. Redo Log State Monitoring, paying attention to the view v$log,v$logfile, which

The DBA sees an example as follows: Dba_data_files Information about the database file Dba_db_links All database links in the database Dba_extents Include all partitions in the database Dba_free_space Free partitions in all table spaces Dba_

Modify the database administrator password# mysqladmin-hlocalhost-uroot-p Password "newCodeEnter Password: Current login passwordRestore the database administrator password#vim/etc/my.cnf[Mysqld]#validate_password_policy =0#validate_password_length =

What is your definition of the database administrator? Ben Kubisek, 2017/09/05 today, we have an editorial job for Steve's trip to the UK. OK, I know the simple answer is the database administrator, but what is its role? What would you say if you

Becoming a qualified DBA is not enough to understand how to encoding some SQL statements and simple database management, so a qualified DBA needs to understand every aspect of it, and can have the ability to debug performance, hardware, and software

Database administrator? IntroducedEach Oracle database should have at least one database administrator (DBA), and one DBA is sufficient for a small database, but for a large databaseMultiple DBAs may be required to share different management

Solutions to ORA-01948 and ORA-04052 errors I. background: The business personnel reported the following error when creating a Materialized View: SQL> CREATE MATERIALIZED VIEW MV_RETAIL_wbmout_R 2 TABLESPACE SAPDATA 3 PCTUSED 0 4 PCTFREE 10 5

Solution to the Problem of RMAN-05021 in slave uard Environment As an important component of the Oracle HA function, the Dataguard environment has many application scenarios and success stories in the field of practice. Like any technology, some

VKTM time drift in Alter Log Time is an important factor in the infrastructure of many information systems, including database systems. For middleware components running on the operating system OS, it is important to obtain an accurate, continuous,

Sort common DB2 scripts -- Tablespace resizing Alter tablespace BAS_DW_ENT ADD (Device '/dev/vx/rdsk/n01datadg3/dwentlv_100g_01_01' 3276800) on dbpartitionnum (1) ADD (Device '/dev/vx/rdsk/n02datadg3/dwentlv_100g_02_02' 3276800) on dbpartitionnum (2)

MongoDB cluster building (master-slave replication, replica and) (5), mongodb master-slaveVi. Architecture ManagementMongodb master-slave clusters are divided into two types:1: master-Slave replication (master-Slave) -- The Slave server will not

Mysql remote connection: ERROR 1130 (HY000): Host '*. *' is not allowed to connect to this MySQL server, mysqlconnect After MySQL is installed, ERROR 1130 (HY000): host' 192 occurs when you remotely connect to the database. 168.0.1 'is not allowed

Solution for PL/SQL Developer in Windows 8 64-bit + Oracle 12c 64-bit, window812c1) install Oracle 12c 64-bit2) install a 32-bit Oracle client (instantclient-basic-nt-12.1.0.1.0.zip)Download instantclient-basic-win32-11.2.0.1.0.zip, must be win32

64-bit Windows 8/7 32-bit PLSQL connection 64-bit Oracle 11g, plsql11g64-bit Windows 8/7 32-bit PL/SQL connection 64-bit Oracle 11gNote: Oracle's oci. dll is 64-bit after installation, while 32-bit application PL/SQL Developer cannot

DB2 Vs MySQL series | comparison of data types between MySQL and DB2, db2mysql As MySQL Databases become more and more widely used, there are more and more demands for migration from DB2 to MySQL databases. During database migration, the first