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How big is your Baan-DB (just Data AND Indexes)
0 - 200 GB
16%
200 - 500 GB
27%
500 - 800 GB
2%
800 - 1200 GB
9%
1200 - 1500 GB
9%
1500 - 2000 GB
14%
> 2000 GB
23%
Total votes: 44

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Expressions and operators
By patvdv at 26 Feb 2008 - 21:56

Expressions and operators

An expression is a combination of variables, constants, and operators, built up in accordance with certain rules. There are two main kinds of operators: unary and binary. All operators, except the negation operators, are binary. Expressions with unary operators have the general form:

operator operand

Expressions with binary operators have the following form, where each operand can be another expression, variable, or constant:

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NULL characters in strings
By patvdv at 26 Feb 2008 - 21:56


NULL characters in strings

Technically, a string is an array of characters. The internal representation of a string has a NULL character [] at the end. The NULL character represents the character with the value zero.

Null characters can occur within strings after use of the following functions:

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External variables
By patvdv at 26 Feb 2008 - 21:56

External variables

An external variable is declared outside the function blocks. You can use them in all functions that occur after the variable declaration, and also in other programs (for example, forms, reports, and runtime expressions). It is possible to declare external variables within a function block but this is not recommended.
If a local variable has the same name as an external variable, the local variable is used within the function. The external variable is not affected.

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Numeric constants
By patvdv at 26 Feb 2008 - 21:56


Numeric constants

The Baan 3GL programming language supports long and floating point constants. Both types can be preceded by a '+' or a '-' sign.

Long constants

A long constant consists of the digits 0-9 only. For example:

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Programmers Manual Baanerp: Topic List -J-
By patvdv at 26 Feb 2008 - 21:56


Programmers Manual BaanERP: Topic List -Z-
By patvdv at 26 Feb 2008 - 21:56

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Programmers Manual BaanERP: Topic List -K-
By patvdv at 26 Feb 2008 - 21:56

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Glossary
By patvdv at 26 Feb 2008 - 21:56

Glossary

4GL engine

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Programmers Manual BaanERP: Topic List -L-
By patvdv at 26 Feb 2008 - 21:56


Arithmetic operators
By patvdv at 26 Feb 2008 - 21:56

Arithmetic operators

Arithmetic operators perform arithmetic operations on the operands. All arithmetic operators, except string concatenation, must have operands of numerical type. If one of the two operands is a double, the other is also converted to double, and the result is also of double type. For example:

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