postgres spatial

PostgreSQL-based scalable, open-source Big Data cluster database: POSTGRES-XLhttp://www.postgres-xl.org/Postgres's-XL is a scale-out open source SQL database cluster based on the PostgreSQL database, with sufficient flexibility to handle different database workloads: OLTP Write-Frequent business Requires MPP parallel Business intelligence Operational Data storage Key-value Storage Geographic space of GIS Mixed Business Wor

generate the table, which Spatial_ref_sys is automatically generated, The correlation between spatial data and attribute data is recorded. Well, we're trying to use the spatial query capabilities of it: Well done, the data came out, the code is very good to understand, St_within is a PG-band space contains functions, meaning that the query Cellcover_region surface layer contains a GID 1 points of the reco

Summary of Postgres operations in Ubuntu 1.Basic operation commands After the installation is complete, PostgreSQL creates a database user account named Postgres by default. It is a super Administrator account like the root account of MySQL and the SA account of sqlserver, but unlike MySQL, postgreSQL also created a Unix account named S. Like the master database of sqlserver, the default database o

This is a creation in Article, where the information may have evolved or changed. Github.com/lib/pq PG is a pure go write driver of the Postgres database. The author gave us a little joke, the PQ will always be habitually written PG there is no ... The installation method is as follows: go get github.com/lib/pq Register As mentioned earlier, driver needs to call Sql.register to register the Driver.driver type interface driver implementation by name. T

Tags: dev dbn ini required pytho useradd configuration name LangLong time do not write things, have been looking at some open source things, the following paste on Linux installation configuration postgres and use Dblink operation reference for readers and their future reference: 1. Download Source: postgresql-9.3.2.tar.gz 2. Create Postgres cluster groups and users: Groupadd

Php page access to IPVs database problems the local machine is equipped with php, apache, postgres database nbsp; I want to insert the data in the page from the browser php page to the local database, the code I wrote must be correct, but it means that the data cannot be inserted into the database (during the runtime, he only runs the code before the database code is connected, and then does not leave, and no error is reported, but the code is absolu

in the CREATESTMT structure, and then control whether or not to create a table or make an error message.Get the current user name as followsDatumcurrent_user (Pg_function_args) {pg_return_datum (DirectFunctionCall1 (Namein, Cstringgetdatum ( Getusernamefromid (GetUserId ()))));}This function is the intrinsic function of the PG, using the effect:postgres=# Select Current_User; Current_User--------------Postgres (1 row)In this way, you can complete the

http://www.datadoghq.com/2013/08/100x-faster-postgres-performance-by-changing-1-line/SELECT C.key,C.x_key,C.tags,X.nameFrom context CJOIN xOn c.x_key = X.keyWHERE C.key = any (ARRAY[15368196,--11,000 other keys--)])and C.x_key = 1and c.tags @> array[e ' blah '];SELECT C.key,C.x_key,C.tags,X.nameFrom context CJOIN xOn c.x_key = X.keyWHERE C.key = any (VALUES (15368196),--11,000 other keys--)and C.x_key = 1and c.tags @> array[e ' blah '];Modify one line

S skills, Postgres skills If you need to add indexes when the business volume is large, you need to use CONCURRENTLY. Otherwise, your database will easily break down. For example create index CONCURRENTLY idx_order_records_bank_statist_uid on order_records(statist_uid) See Http://www.postgresql.org/docs/9.1/static/sql-createindex.html In a large business volume, if you want to execute some time-consuming database tasks, sometimes you will fin

one. Eclipse MyBatis Generator Plug-in installationtwo. MyBatis Generator (Postgres)-– generates DTO, Dao, Mapping One. Eclipse MyBatis Generator Plug-in installation1. Self-motion installation--Open Eclipse, click Help>software Update--Select the "Available Software" tab and click the "Add Site" button--Enter the following information:location:http://mybatis.googlecode.com/svn/sub-projects/generator/trunk/eclipse/updatesite/--Click OK, automatically

$password-c $table $recovery _dir Six, Postgres: $targethost $port $user $dbname $filename $recovery _file IP Address Port User name Database name Backup files Recover files Backup: Pg_dump-c-b-h $targethost-P $port-U "$user" $dbname > $filename Recovery: psql-h $targethost-P $port-U "$user"-D $dbname-F $recovery _file Copyright NOTICE: This article for B

PHP page access to postgres database issues This machine is equipped with Php,apache,postgres database I want to insert the data from the page into the native database from the browser PHP page, I write the code is certainly correct, but just can't insert the data into the library (run, he only run the code before the library code, and then do not go, and no error, but the code is absolutely correct, the fo

Postgres-XL: PostgreSQL-based open-source scalable Database Cluster,Postgres-XL: PostgreSQL-based open-source scalable Database ClusterIn the past year, IOE has become more and more popular in the industry. Many traditional enterprises have also placed their "IOE" plans on their desktops. I have always wondered why these non-Internet companies (such as banks) are motivated to do this? The empty slogans such

One: Command line Backup and recovery Postgres database①: First switch to Postgres userSu Postgres ②: Backing up a database named host to a temporary file Host.dumpPg_dump-w Host >/tmp/host.dump ③: Import data from backup file infile to database named dbnamePsql dbname Second: Update a data record in a datasheet①: Log in to the database as a

Rails connection postgresql error: psql: Fatal error: User "s" Ident authentication failed, psqlpostgresPsql: Fatal error: User "s" Ident authentication failed 1. After the postgresql database is installed, you must initialize and configure some rails projects to connect to postgresql. After postgresql data is installed (the yum command is directly installed) Step 1: Initialize the database # Service postgresql initdb (Note: After initialization, the default postgresql database has a default us

1. sudo apt-get install PostgreSQL #安装psql2. Su passwd postgres #设置postgres账户的密码3. postgresql.conf sets the value of the Listen_addresses key in the file to4. pg_hba.conf the configuration file, add the following configuration under the host all 127.0.0.1/32 MD5 lineHost All 0.0.0.0/0 MD55. The above configuration file is installed by default under/etc/postgresql/9.4/main6.Sudo/etc/init.d/postgresql start #

field type in the table. 4.Extract procedures/functions/packages[[emailprotected]_222 ~]# ora2pg-c/etc/ora2pg/ora2pg.conf[========================>] 2/2 functions (100.0 %) end of output. [[emailprotected]_222 ~]# cat lottu04.sql--Generated by ORA2PG, the Oracle database Schema Converter, version 17.4- -Copyright 2000-2016 Gilles darold. All rights reserved.--DATASOURCE:dbi:Oracle:ora229SET client_encoding to ' UTF8 '; \set on_error_stop ONCREATE OR REPLACE F Unction ora2pg_16_to10 (v_16_data t

Operating environment for Kali virtual machines 1 [Email protected]:~# apt-get Install PostgreSQL Start the service 12 [Email protected]:~# service PostgreSQL start[OK] starting PostgreSQL 9.1 database Server:main. Modify the PostgreSQL password to Toor: 123 [Email protected]:~# sudo-u postgres psql postgrespostgres=# alter user p