Database Administrator

Oracle lab environment setup (Windows + Oracle 11g) I. systems and software Windows 7 + Oracle 11g 2. Prepare the installation environment Prepare for ORACLE Installation 1. Delete Environment Variables D: \ oracle \ product \ 11.2.0 \ dbhome_1 \

1. Install Firebird in the new IDE of Ubuntu 2. Install Firebird Management Tool FlameRobin in Add/delete 3. change the password of firebird: sudo passwd firebird 4. change the password of the database administrator SYSDBA in firebird: sudo

Recently, I need to write a data migration script to migrate data from a single Oracle database to a MySQL Sharding cluster. I just recently learned python and used it to practice it.I quickly completed MySQL and only needed to install a python

Obtain the SQL Server installation time and SQL Server installation time. The latest installation of SQL Server 2014 does not have a formal License. You can only try it for three months. To know when it expires, you must know when SQL Server 2014

[Translated from mos] New asmcmd commands of 11gR1 version: cp, md_backup, md_restore, 11gr1 -- cpNew asmcmd commands of 11gR1 version: cp, md_backup, md_restoreReference Original:ASMCMD-New commands in FIG (Doc ID 451900.1)Applicable:Oracle

Developers need to log on to the function, so they do not want to use a large database and directly use java to connect to access. Everything works on your machine, and direct url Connection and data source configuration are fine. Released to

Golden Gate (OGG for short) provides real-time capturing, conversion, and delivery of transaction data in heterogeneous environments. OGG supports the following heterogeneous environments: OGG features: Small impact on the production system:

In this Document   Purpose   Scope   Details   Concepts & Overview   Administrator-managed Database   Basic Method   Preconnect

Oracle's traditional Export and Import are retained to 11 GB, and many enterprises still use Export and Import to back up and restore 9i and 10 Gb. Since Oracle 7.3, the traditional exp Export Program provides two Export Path methods: Conventional

Test environment: slse11.2, 10.4, RedHat5.3, CentOS5 Decompress the packageGavin:/Oracle # tar-xzvf db2exc_975_LNX_x86.tar.gz Cd/oracle/special_27924_linuxia32_expc/ Graphical interface Installation ./Db2setup Manually install db ./Db2_install

1. Introduction Broadly speaking, a data warehouse is a type of database, which is maintained separately with the operational database of the Organization. The data warehouse system allows various application systems to be integrated to provide a

Differences between sys and system users 1) 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

I. Back up the database1. Open SQL Enterprise Manager and click Microsoft SQL Server in the root directory of the console.2. SQL Server group --> double-click to open your Server --> double-click to open the database directory3. Select Your Database

Oracle can quickly load data, which is much faster than the previous batch Insertion Method (1 kW records took nearly 2 minutes ). Prepare data files Generate 1 million records in the memory vector and write them to the specified data file. #

1. Defining the TCP/IP connection of the MySQL Cluster is the default transmission protocol used by the MySQL Cluster to establish connections. Normally, no connection is required. You can use [tcp default] or [TCP] for definition. 1.

Original article address: Stairway to SQL Server Indexes: Level 2, Deeper into Nonclustered Indexes This article is part of the SQL Server Index advanced series Stairway to SQL Server Indexes. The first level introduces non-clustered indexes in SQL

Common script backup Automatically configure msmtp and use mail to send emails #! /Bin/bash SRC =/usr/local/src Cd $ SRC # Install msmtp client # If your want support TLS/SSL, install openssl-devel # Yum install-y openssl-devel //

During database initialization, an actual problem that administrators need to face is how to import large amounts of data into the database system. Some large-capacity data import and export tools are provided in the SQL Server database for the

BKJIA: the majority of databases are composed of two completely different parts: the place where data is stored at the backend) and a user interface for connecting data components at the front end ). This architecture separates the user interface

The advantage of parallel query is that it can process query jobs through multiple threads, thus improving the query efficiency. The SQL Server database provides the parallel query function for database servers with multiple CPUs to optimize the