Functions Reference

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Copyright © 2013 iWay Software

This documentation describes how to use Information Builders-supplied functions to perform complex calculations and manipulate data in procedures. It is intended for application developers and end users.

How This Manual Is Organized

This manual includes the following chapters:

Chapter/Appendix

Contents

1

Functions Overview

Introduces functions and explains the different types of available functions.

2

Character Functions

Describes character functions that manipulate alphanumeric fields and character strings.

3

Variable Length Character Functions

Describes variable-length character functions which manipulate alphanumeric fields and character strings.

4

Character Functions for DBCS Code Pages

Describes functions that manipulate strings of DBCS and SBCS characters when the configuration uses a DBCS code page.

5

Data Source and Decoding Functions

Describes data source and decoding functions that search for data source records, retrieve data source records or values, and assign values based on the value of an input field.

6

Date Functions

Describes date functions that manipulate date values.

7

Date-Time Functions

Describes date-time functions that manipulate date-time values.

8

Format Conversion Functions

Describes format conversion functions that convert fields from one format to another.

9

Numeric Functions

Describes numeric functions that perform calculations on numeric constants and fields.

10

System Functions

Describes system functions that call the operating system to obtain information about the operating environment or to use a system service.

11

SQL Character Functions

Describes SQL character functions which manipulate alphanumeric fields and character strings.

12

SQL Date and Time Functions

Describes SQL date and time functions which manipulate date and time values.

13

SQL Data Type Conversion Functions

Describes SQL format conversion functions which convert fields from one format to another.

14

SQL Numeric Functions

Describes SQL numeric functions which perform calculations on numeric constants and fields.

15

SQL Miscellaneous Functions

Describes miscellaneous SQL functions which perform conversions, tests and manipulations.

16

SQL Operators

Describes SQL operators which used to evaluate expressions.

Documentation Conventions

The following table describes the documentation conventions that are used in this manual.

Convention

Description

THIS TYPEFACE

or

this typeface

Denotes syntax that you must enter exactly as shown.

this typeface

Represents a placeholder (or variable) in syntax for a value that you or the system must supply.

underscore

Indicates a default setting.

this typeface

Represents a placeholder (or variable), a cross-reference, or an important term. It may also indicate a button, menu item, or dialog box option that you can click or select.

Key + Key

Indicates keys that you must press simultaneously.

{  }

Indicates two or three choices. Type one of them, not the braces.

[  ]

Indicates a group of optional parameters. None are required, but you may select one of them. Type only the parameter in the brackets, not the brackets.

|

Separates mutually exclusive choices in syntax. Type one of them, not the symbol.

...

Indicates that you can enter a parameter multiple times. Type only the parameter, not the ellipsis (...).

.

.

.

Indicates that there are (or could be) intervening or additional commands.

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