postgresql convert to string

Wiki. openbravo. comwikiERP2.50Developers _ GuideConceptsDBPL-SQL_code_rules_to_write_Oracle_and_Postgresql_codeProcedureLanguagerulesOpenbravoERPsupportsOracleandPostgreSQLdatabaseengines.Thisisasetofrecommendat Http://wiki.openbravo.com/wiki/ERP/2.

Goodbye to MongoDB, hello PostgreSQL Olery was founded almost five years ago. It started with the single product (Olery Reputation) developed by Ruby proxy. Over time, we began to work on a series of different products and applications. Today, our

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.

Document directory Supported Data Types   PostgreSQL is a widely used free and open source database. Compared with MySQL, PostgreSQL is more suitable for complicated enterprise computing tasks. MySQL is more widely used in the Internet field,

1.createdb database nameGenerate Database2.DROPDB database nameDeleting a database3.CREATE User NameCreate user4.drop User NameDelete User5.SELECT usename from Pg_user;View System User Information\du7.SELECT version ();View version Information8.psql

Recently, I migrated my project from sqlserver to the PostgreSQL database. When I called the database Stored Procedure (User-Defined Function), I found a strange problem. I always reported that the function could not be found. First look at a

PostgreSQL tutorial (6): Functions and operators (2), postgresql Operators 6. Pattern Matching: PostgreSQL provides three methods for implementing pattern matching: SQL LIKE operator, closer SIMILAR TO operator, and POSIX-style regular expression.1.

Function return type Describe Example Results string | | String Text String connection ' Post ' | | ' Gresql ' PostgreSQL Bit_length (String) Int The number of bits in a

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

As an off-line data analysis system, TDW has a good performance advantage in dealing with massive data by parallel computing. But Tencent knows, want to use a all-inclusive system to solve all the problems are generally unrealistic, the same, TDW