troubleshooting postgresql

PostgreSQL database server listener settings and Client Connection Methods tutorial, postgresql Server As we all know, PostgreSQL is a free object-relational database server (Database Management System). It is an open-source database system that can be used for free. This article describes in detail the listener settings and Client Connection Methods of the

In the case of manual installation (for the case where the source code is compiled for PG or the decompressed version is installed for PG), PG does not start automatically when it is started, and stops automatically when it is turned off, as a DBA, this is obviously unacceptable. 1. Self-starting services in Windows In Windows, you can use the pg_ctl command to generate the postgresql service and enable it to start itself. In fact, the installation v

downloading the installation file to your local computer, uncompress the package with the decompression tool, and then, like installing other Windows applications, double-click the postgresql-8.1.msi to start the installation wizard. The first is to select the language used during the installation process. I have not found the Chinese language while looking for it, so I have to choose to still be able to understand English ^_^. In addition, you can s

/, download the latest version, support multi-language installation. Start installation After downloading the installation files to the local, first use the decompression tool to untie the compressed package, and then, like installing other Windows applications, double-click Postgresql-8.1.msi to start the Installation wizard. The first is to select the language used in the installation process, the author found one side did not find Chinese, had t

PostgreSQL installation and configuration tutorial on Windows and postgresql installation tutorial PostgreSQL extension PostGIS is the most famous open source GIS database.Installing PostgreSQL is the first step. 1. Download the binary Installation File of PostgreSQL.

In-depth interpretation of sequences in PostgreSQL and their related functions, and interpretation of postgresql I. Introduction A sequence object (also called a SEQUENCE generator) is a special single-row table created using create sequence. A sequence object is usually used to generate a unique identifier for a row or table. Ii. Create a sequence Method 1: Specify the field type as serial directly in the

PostgreSQL tutorial (5): Functions and operators (1), postgresql Operators I. logical operators: Common logical operators include AND, OR, and not. Its semantics is exactly the same as that of logical operators in other programming languages. Ii. Comparison operators: The following is a list of comparison operators provided by PostgreSQL: The comparison operator

: There are various types of xlog records (for example, Heap,btree,clog,storage,gin, and Standby records, just to name a few).Xlog Records Backward links. This way, each entry points to the previous entry in the file. In this way, we can fully believe that we have found the end of the record as long as we want to point to the pointer to the previous entry.make XLOG with certaintyAs you can see, a change could trigger many xlog entries. This is true for all kinds of statements, such as a large DE

PostgreSQL tutorial (13): database management details, postgresql details I. Overview: A database can be considered as a name set of an SQL object (database object). Generally, each database object (table, function, etc.) belongs to only one database. However, for some system tables, such as pg_database, it belongs to the entire cluster. More accurately, a database is a set of patterns, and a schema contain

to re-compile and run it. Online debugging cannot be performed during running, but logs can only be played. In view of the above problems, we finally gave up. However, if you use gdb for debugging in linux, you cannot hold it. So use eclipse. Reference: http://wiki.postgresql.org/wiki/Working_with_Eclipse [1] My system environment: Centos6.4 _ x64 Gcc.4.4.7 Eclipse-c/c ++ kepler Postgresql 9.3 The following is my configuration process:1. install ne

PostgreSQL tutorial (18): client commands (2), postgresql tutorial VII. pg_dump: Pg_dump is a tool used to back up PostgreSQL databases. It can even perform a full and consistent backup when the database is being used concurrently without blocking access to the database by other users. The dump format generated by this tool can be divided into two types: script a

Manual PostgreSQL database initialization tutorial in windows, initialize postgresql Environment: win7 64 sp1PG: 9.3.5 1. Create the postgres user, and the password is also postgres: net user postgres postgres /add 2. Create a data directory under the root directory of the database: C:\Program Files\PostgreSQL\9.3>md data 3. Remove the administrator permission on

Tutorial on installing and using the extension module on PostgreSQL, postgresql extension module Installation Module Note: My runtime environments are Ubuntu 10.04 and PostgreSQL 8.4. First, install the postgresql-contrib package and restart the database server. Then, check the contrib directory to see if there are som

Although the Linux system is very powerful, stable, but we use the process, if the human operation is not appropriate, will still affect the system, and may even make the system does not boot, unable to run services and other problems. Then this blog post summarizes some common troubleshooting methods, but it is impossible to cover all, can only continue to supplement, update.first, the administrator forgot the password(1), restart the computer, enter

Postgresql C/C ++ API and postgresql sqlapi 1. postgresql learning uri recommendation http://www.php100.com/manual/PostgreSQL8/ http://www.php100.com/manual/PostgreSQL8/reference.html http://www.yiibai.com/html/postgresql/ [Note tips byRuiy, distinguish uri/url, service/server,There has a certain truthChillax!] Frie