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Integration Services Expression Concepts

SQL Server 2008

This section summarizes the expression syntax, explains the use and implicit conversion of SSIS data types in expressions, and describes how the expression evaluator handles string padding and truncation.

In This Section

Syntax (SSIS Expressions): Summarizes expression evaluator syntax.
Integration Services Data Types in Expressions: Summarizes the use of data types in expressions.
Implicit Data Type Conversion in Expressions: Explains the rules for converting data from one data type to a different one.
Data Truncation (SSIS Expressions): Describes how the expression evaluator handles truncation of data values.
String Padding (SSIS Expressions): Describes how the expression evaluator compares strings that contain spaces.
Literals (SSIS Expressions): Describes the numeric, string, and Boolean literals that the expression evaluator supports.
Identifiers (SSIS Expressions): Describes the use of regular and qualified identifiers.

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