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Top Ten Informix PostgreSQL

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Category : Database » PostgreSQL

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Top Informix-PostgreSQL Conversion "Gotchas" . (6) ecpg, the PostgreSQL embedded C pre-compiler, is an executable which does not .

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Top Informix-PostgreSQL Conversion "Gotchas" (1) In Informix, the normal file extension for files with C code with embedded SQL is ".ec". In PostgreSQL, it is ".pgc". (2) Within an SQL statement, Informix denotes a string using double quotes (") or single quote ('). PostgreSQL denotes strings using single quotes (') only. Informix: SELECT * FROM Location WHERE lid = "BLUO2"; PostgreSQL: SELECT * FROM Location WHERE lid= 'BLUO2'; This is true for both ad hoc queries and .pgc files. Note that character strings in C are still denoted using double quotes. (3) The Informix utilities dbaccess and sqlcmd for ad hoc queries are replaced by a PostgreSQL utility called psql. (4) PostgreSQL does not implement an ISAM error code. (5) PostgreSQL error return codes are different from Informix. In Informix, inserting a duplicate record results in a -239 error. In PostgreSQL, this results in a -400 error. It is recommended that numeric error codes be replaced by the use of 5 char error state (sqlca.sqlstate). The value of these can be found in Appendix of the PostgreSQL Documentation.

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121

Top Ten Informix PostgreSQL

category Database » PostgreSQL

Top Informix PostgreSQL Conversion quot Gotchas quot . 6 ecpg the PostgreSQL embedded C pre compiler is an executable which does not .

97

Conversion Of Microsoft SQL ASP Applications To PostgreSQL

category Database » PostgreSQL

install and use a new PostgreSQL server the first is the database program. . 5 By default PostgreSQL only supports 100 concurrent connections if you need .

150

PostgreSQL 7 2 Tutorial

category Database » PostgreSQL

by The PostgreSQL Global Development Group . simple introduction to PostgreSQL relational database concepts and the SQL . PostgreSQL offers substantial .

110

PostgreSQL for Solaris How To Guide

category Database » PostgreSQL

The PostgreSQL How to Guide instructs Solaris system administrators and database . PostgreSQL database using the Solaris Service Management Facility SMF and .

81

PostgreSQL Configuration For OB6

category Database » PostgreSQL

The PostgreSQL server will be installed with the following options . user oper will not be defined as a user known to postgresql database ownership .

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