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What is libpq.dll?


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Windows Process Description:

The primary front-end library for PostgreSQL is the module libpq.dll, which can be used to enter SQL queries directly, or execute them from a file. In addition, the lipq.dll module provides various meta-commands and shell-like functionalities to cater to script writing and the automation of various tasks like tab completion of object names and SQL syntax.

PostgreSQL is an Object Relational Database Management System (ORDBMS). It is released under a BSD- Style license and is considered free software.

The libpq.dll module functions allow blocks of code to be executed by the server. Even though these blocks can be written in SQL, the lack of basic programming functions, such as branching and looping, has driven the incorporation of other languages inside of functions. Some of these languages are able execute inside triggers. PostgreSQL functions can be written in the libpq.dll process thru the built in pgSQL language.

Scripting languages in PostgreSQL are supported by the libpq.dll link through PL/LOLCODE, PL/ Lua, PL/Perl, PL/Python, plPHP, PL/Tcl, PL/Ruby, PL/sh, and PL/Scheme and the statistical language R through PL/R. The libpq.dll module likewise supports row-returning functions, where the resulting function is a set of values that can be treated like a table within queries.

Functions in PostgreSQL can be defined by the libpq and its associated libraries to execute with the privileges of either the caller or the user who defined the function. These functions are sometimes called stored procedures; however, there is a very minimal technical distinction between the two.

The libpq.dll module enables PostgreSQL to recognize international characters, multibyte encoding of characters, Unicode, and is also region aware for sorting, case sensitivity, and formatting. The module is highly scalable both in the sheer quantity of data it can manage and in the number of concurrent users it can accommodate.

Author: Microsoft Corporation

Author URL:

Part Of: PostgreSQL Applications

Memory Usage: Low

Associated Applications: ssleay32.dll and libeay32.dll

Background DLL: No

Uses Network: No

Hardware Related: No

Common Path: C:\ Program Files\ PostgreSQL\ 8.2\ bin\ libpq.dll

DLL Version:

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