postgresql sample database with data

Note that the download is a binary sedan, not with Windows Installer. Http://www.enterprisedb.com/products-services-training/pgbindownload x86 download Http://get.enterprisedb.com/postgresql/postgresql-9.2.4-1-windows-binaries.zipx64 Download Http://get.enterprisedb.com/postgresql/postgresql-9.2.4-1-windows-x64-binar

Tags: database mysql migration data PostgreSQLProduct will be on-line, the project manager said to change the database, to the MySQL database contents all moved to PostgreSQL.There is a Python tool can be migrated (but the stored procedures cannot be migrated, the data type

InstallMAKE[1]: Entering directory '/home/pgsql/pgsql/postgresql-8.4.6/doc 'Mkdir-p--/opt/postgresql/share/doc//htmlMkdir:cannot Create directory '/opt/postgresql ': Permission deniedMAKE[1]: * * * [installdirs] Error 1MAKE[1]: Leaving directory '/home/pgsql/pgsql/postgresql-8.4.6/doc 'Make: * * * [install] Error 2[[e

]:/bin/cshHome directory [/home/postgres]:Use password-based authentication? [Yes]:Use an empty password? (Yes/no) [no]: yesLock out the account after creation? [No]:Username: SPassword: Full Name: PostgreSQL Server UserUid: 1004Class:Groups: postgresHome:/home/postgresShell:/bin/cshLocked: no Create a directory for storing databases:Mkdir/var/pgsql/dataAssign ownership to postgres users:Chown postgres/var/pgsql/dataSwitch to postgres:Su-postgresIniti

command queries the total number of rows in the table after the value of the set column. Copy Code code as follows: # Select COUNT (distinct col_name) from table; 11. How to query the value of a column in the table * * Second largest * *?query for the largest value of a column Copy Code code as follows: # Select Max (col_name) from table; Query for the second largest value in a column Copy Code code as follows: # select MAX (num) from numbe

, so that the statistics of the table are always in a relatively new state, which will be extremely advantageous for query optimization based on the table. However, you do not need to perform this action for a data table that is not updated frequently. We can run the Analyze command for a particular table, or even a specific field in a table, so that we can perform analyze operations on some of the more frequently updated information, so that not onl

If you do not start the Postgres process after you upgrade the database, and check the log to find similar information like the following: Fatal:database files are incompatible with server Detail:the Data directory is initialized by PostgreSQL version 9.2, W Hich is isn't compatible with this version 9.3.2. That means that the upgraded

instance for you for free and simply. Once the instance is created successfully, we can use the ec2-user account to log on to the server via SSH protocol, then we can start to install PostgreSQL and Bucardo. # Always a good idea:$ sudo yum update# This also installs other postgresql packages:$ sudo yum install postgresql-plperl# Create a new Postgres cluster:$ i

apache|web| Data | Database sender: xiaoning (I want to fly), letter area: Linux Title: Apache+php3+postgresql as a web-based database platform for Ann Letter station: BBS Water Wood Tsinghua Station (Thu 20 16:00:28 2000) The following describes the installation and configuration method for using Apache+php3+

tl;dr: Don ' t ever set Fsync=off, don ' t kill-9 The postmaster then deletepostmaster.pid, don ' t run PostgreSQL on network file systems.Reports of database corruption on the PostgreSQL mailing list is uncommon, but hardly rare. While a few data corruption issues has been found in

to the DATA directory and specify the recovery time point. # Cp/usr/local/postrgresql-8.4.14/share/postgresql/recovery. conf. sample data/recovery. conf # Modifying the recovery. conf file, Restore_command = 'cp/backup/wals/% f % P' // archive log directory Recovery_target_time = '2017-10-31 11:41:50 '// specify the a

Comparison of PostgreSQL database backup and recovery technologies There are three completely different methods to back up PostgreSQL data: SQL dump File System-level backup Online backup I. SQL dump The pg_dump application tool is used to export the current data block

requires us to go back and read his documents and check his configuration. I encountered a small problem when installing PostgreSQL for the first time. I will write it here for your reference:The installation of PostgreSQL is still relatively simple. You can simply follow the install file in his document. The following are my installation steps: ./Configure cprefix =/usr/local/pgsqlGmakeSuGmake installAd

enabled, You need to allow the connection of port 5432. Disable the firewall if you do not know how to configure it. 2. Configure the postgresql. conf file, which is in the data directory under the pgsql directory of the database. My current position on fedora is/var/lib/pgsql/data/

, the MySQL uses the thread, but PostgreSQL uses is the process. Environment conversions between different threads and access to common storage areas are obviously much faster than between different processes. 5, MySQL can adapt to 24/7 operation. In most cases, you don't need to run any cleanup programs for MySQL. PostgreSQL is still not fully adapted to the 24/7 run because you have to run vacuum every o

As we all know, PostgreSQL is a free object-relational database server (database management system), is a free access to the open source database system. In this paper, the PostgreSQL database server-side listening settings and cl

Recently, the company asked a website to be revised and download the website programs and databases to programmers. The program file is very simple. Just download it by creating a compressed package. When I looked at the configuration file to view the database, I was dumpfounded. The database type was postgresql, and I had never heard of the

Tags: database mysql migration data PostgreSQLProduct will be on-line, the project manager said to change the database, to the MySQL database contents all moved to PostgreSQL.There is a Python tool can be migrated (but the stored procedures cannot be migrated, the data type

in the database and is not recoverable. See the following delete SQL command: Copy Code code as follows: DROP DATABASE db_name; Five, table space: In PostgreSQL, a table space represents the directory location where a set of files resides. After it is created, you can create database objects

Master software installation and maintenance, configuration, and other skills in the Linux/Unix environment as required. Here I will record my usage experiences and share them with you. Take database installation as an example (note: The above installation is based on source code ). The following Li... Master software installation and maintenance, configuration, and other skills in the Linux/Unix environment as required. Here I will record my usage ex