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Contents

Title and Copyright Information

Preface

• Intended Audience
• Documentation Accessibility
• Standards Conformance
• Conventions

1 Introduction to SQL*Module

• What Is SQL*Module?
  • Background
  • Precompilers
  • The Module Language Concept
• SQL*Module as an Interface Builder
• What Is Supported by SQL*Module?
• What SQL Statements are Not Supported by SQL*Module?

2 Module Language

• The Module
  • An Example Module
  • A Short Example Program in Ada
• Structure of a Module
  • Preamble
    • MODULE Clause
    • LANGUAGE Clause
    • AUTHORIZATION Clause
  • Cursor Declarations
  • Procedure Definitions
    • Procedure Name
    • Parameter List
    • SQL92 Syntax
• SQL Datatypes
• SQL Commands
• Text in a Module
  • Comments
• Indicator Parameters
• Status Parameters
  • Error Messages
• CONNECT Statement
  • SET CONNECTION Statement
• DISCONNECT Statement
• Multi-tasking
  • ENABLE THREADS
  • SQL_CONTEXT Datatype
  • CONTEXT ALLOCATE
  • CONTEXT FREE
  • Multi-tasking Restrictions
• Multi-tasking Example

3 Accessing Stored Procedures

• PL/SQL
  • Procedures
• Stored Procedures
• Stored Packages
• Accessing Stored Procedures
• Case of Package and Procedure Names
• Early and Late Binding
• Cursor Variables
  • Cursor Variable Parameters
  • Allocating a Cursor Variable
  • Opening a Cursor Variable
    • Opening in a Stand-alone Stored Procedure
    • Return Types
  • Closing a Cursor Variable
  • Restrictions on Cursor Variables
• Dynamic SQL
• The WITH INTERFACE Clause
  • Examples
  • SQL Datatypes
    • DATE Datatype
  • The Default WITH INTERFACE Clause
    • Procedures
    • Functions
• Storing Module Language Procedures
• Connecting to a Database

4 Developing the Ada Application

• Program Structure
• Error Handling
  • SQLCODE
  • Obtaining Error Message Text
  • SQLSTATE
• Obtaining the Number of Rows Processed
• Handling Nulls
  • Indicator Variables
• Cursors
• Specification Files
• Calling a Procedure
• Arrays as Procedure Arguments
• Globalization Support

5 Running SQL*Module

• SQL*Module Input and Output
  • Input sources
  • Output Files
  • Determining the Input Source
• Invoking SQL*Module
  • Running the Compiler
• Case Sensitivity in Program Names, Option Names, and Values
  • Listing Options and Default Values
• How to Specify Command-Line Options
  • Value Lists
  • Default Values
• Configuration Files
• Input Files
• Output Files
  • Source Code Output File
    • Default File Names for Ada
  • Specification File
    • Default Specification Filenames for Ada
  • Listing File
  • PL/SQL Source Files
  • Avoid Default Output Filenames
• Command-Line Options
  • AUTO_CONNECT
  • BINDING
  • CONFIG
  • ERRORS
  • FIPS
  • INAME
  • LNAME
  • LTYPE
  • MAPPING
  • MAXLITERAL
  • ONAME
  • OUTPUT
  • PNAME
  • RPC_GENERATE
  • SELECT_ERROR
  • SNAME
  • STORE_PACKAGE
  • SQLCHECK
  • USERID
• Compiling and Linking
  • An Example (Module Language)

6 Demonstration Programs

• The SQL_STANDARD Package
  • SQLCODE
  • SQLSTATE
• Sample Programs
  • Sample Tables
    • MKTABLES.SQL
    • DEPARTMT.SQL
    • INSTRUCS.SQL
    • STUDENTS.SQL
    • COURSES.SQL
    • EMROLMNT.SQL
  • Module Language Sample Program
  • Calling a Stored Procedure
• Sample Applications
  • DEMOHOST.A
  • DEMCALSP.A

A New Features

• New Statements
• Other New Features

B Module Language Syntax

• Module Language Syntax Diagrams
  • Preamble
    • LANGUAGE Clause
    • AUTHORIZATION Clause
  • Cursors
  • Procedure Definitions
• WITH INTERFACE CLAUSE

C Reserved Words

• Module Reserved Words

D SQLSTATE Codes

• SQLSTATE Codes

E System-Specific References

• System-Specific Aspects of SQL*Module
  • Supported Compilers
  • Character Case in Command Lines
  • Location of Files
  • Filename Extensions
  • Ada Output Files
  • Command Line
  • Ada SQL_STANDARD Package

Index