Database-SQL-RDBMS HOW-TO document for Linux (PostgreSQL Object Relational Database System): "C", "C++", ESQL/C language Interfaces and Bitwise Operators for PostgreSQL
19. "C", "C++", ESQL/C language Interfaces and Bitwise Operators for PostgreSQL19.1 "C" interfaceIt is included in distribution and is called 'libpq'. Similar to Oracle OCI, Sybase DB-lib, Informix CLI libraries.19.2 "C++" interfaceIt is included in distribution and is called 'libpq++'.19.3 ESQL/CESQL/C 'Embedded C Pre-compiler' for PostgreSQL ESQL/C is like Oracle Pro*C, Informix ESQL/C.
The PostgreSQL ESQL/C is an SQL application-programming interface (API) enables the C programmer to create custom applications with database-management capabilities. The PostgreSQL ESQL/C allows you to use a third-generation language with which you are familiar and still take advantage of the Structured Query Language (SQL).ESQL/C consists of the following pieces of software:The ESQL/C libraries of C functions provide access to the database server.The ESQL/C header files provide definitions for the data structures, constants, and macros useful to the ESQL/C program.The ESQL/C preprocessor, is a source-code preprocessor that converts a C file containing SQL statements into an executable file.It is atESQL/C for PostgreSQL is already included in the distribution.Main site ftp://ftp.lysator.liu.se/pub/linusEmail : linus@epact.se19.4 BitWise Operators for PostgreSQLBitwise operators was written by Nicolas Moldavskynico@overnet.com.ar"C" functions that implement bitwise operators (AND, OR,
XOR, bit complement) on pgsql. Get them by anonymous FTP fromftp://ftp.overnet.com.ar/pub/utils/linux/bitpgsql.tgzMakefile for Linux is included.
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