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#pike __REAL_VERSION__ 
 
//! The SQL module is a unified interface between pike and all 
//! its supported databases. The parts of this module that is 
//! usuable for all normal uses is the @[Sql] class and the 
//! @[sql_result] class. 
//! 
//! @example 
//! string people_in_group(string group) { 
//!    Sql.Sql db = Sql.Sql("mysql://localhost/testdb"); 
//!    return db->query("SELECT name FROM users WHERE " 
//!                     "group=%s", group)->name * ","; 
//! } 
 
constant Null = Builtin.SqlNull; 
 
//! The SQL NULL marker. 
object(Null) NULL = Null();