[MSDN Library April 2000] The primary key or UNIQUE constraint cannot be changed until its existing relationships are deleted. (100%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library April 2000] The primary key or UNIQUE constraint cannot be changed while relationships to the existing primary key or UNIQUE constraint are enforced. (90.1459854014599%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library April 2000] The existing relationship must have at least one pair of related columns. (82.5%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library April 2000] The Allow Nulls property can't be set on a column that is part of the primary key. (82.25%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library April 2000] The total size of an index or primary key cannot exceed 256 bytes. (81.75%)

MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Interface Reference > Troubleshooting Error Messages > Database Designer Troubleshooting Errors

[MSDN Library September 1992] The #if, #elif, #else, and #endif Directives (30.8097826086957%)

Product Documentation > C/C++ 7.0 > C Language Reference > Chapter 7 Preprocessor Directives and Pragmas > 7.5 Conditional Compilation

[MSDN Library September 1992] The #if, #elif, #else, and #endif Directives (29.844696969697%)

Product Documentation > C/C++ 7.0 > C++ Language Reference > Chapter 13 Preprocessing > 13.4 Conditional Compilation

[MSDN Library September 1992] The #ifdef and #ifndef Directives (29.5597826086957%)

Product Documentation > C/C++ 7.0 > C Language Reference > Chapter 7 Preprocessor Directives and Pragmas > 7.5 Conditional Compilation

[MSDN Library September 1992] The #define Directive (29.1847826086956%)

Product Documentation > C/C++ 7.0 > C Language Reference > Chapter 7 Preprocessor Directives and Pragmas > 7.3 Manifest Constants and Macros

[MSDN Library September 1992] The this Pointer (28.969696969697%)

Product Documentation > C/C++ 7.0 > C++ Language Reference > Chapter 8 Classes > 8.4 Member Functions