First, the environment$ psql--versionpsql (PostgreSQL) 9.4.4 As we all know, superuser privileges are too large for the security of the database, for non-administrator accounts, you need to create a normal user. Second, the grammar$ psql psql (9.4.
Our company has developed a database product based on Postgres, needless to say we have changed the source code of OSS, and have also integrated and written some plugins. Therefore, when PostgreSQL and related plugins are upgraded, we also need to
Postgres can not be directly accessed between different databases, such as database Test1 and test2, each database has a table of TableA; I am using the operating system Win8.1,postgres version 9.3.6; Access to Postgres using the PGADMINIII tool;
Description ORA2PG: Oracle PostgreSQL Database Mode Converter is a free tool for Oracle Database migration to PostgreSQL compatibility mode. It connects to the Oracle database, scans it to automatically extract its structure or data, and generates
I. INTRODUCTION to psql is a PostgreSQL command line interactive client tool, similar to the command line tool sqlplus: 1 in Oracle allows you to interactively type SQL or commands, then they are sent to the PostgreSQL server, and then the SQL or
First, the environment#配置远程连接su postgres vim/var/lib/pgsql/9.4/data/postgresql.conf Edit configuration file listen_address= ' localhost ' before the comment # removed, And the ' localhost ' should be ' * '; vim/etc/postgresql/8.2/main/pg_hba.conf
CREATE USER backup_user with ENCRYPTED PASSWORD ' qux94874 '; GRANT CONNECT on DATABASE foo_db to Backup_user; GRANT CONNECT on the DATABASE bar_db to backup_user;\c foogrant USAGE on the SCHEMA public to Backup_user; GRANT SELECT on all sequences
Seven, Pg_dump:
Pg_dump is a tool for backing up the PostgreSQL database. It can even make a full, consistent backup when the database is being used concurrently, without blocking access to the database by other users. The dump format generated by
Detailed steps for creating the ipvs-XL Cluster
Recently, the company's business needs to use ipvs-XL clusters. There is not much network information about this part of knowledge. After a period of query and various detours, the installation was
BackgroundPostgreSQL logical backup, refers to online backup database data, DDL output as SQL statements, data can be in the form of SQL statements or fixed separators (row format) output.
The backup does not affect the DML operation of the Backup
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