[MSDN Library June 1998] The primary key or UNIQUE constraint cannot be changed while relationships to the existing primary key or UNIQUE constraint are enforced. (100%)

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

[MSDN Library June 1998] The primary key or UNIQUE constraint cannot be changed until its existing relationships are deleted. (90.1459854014599%)

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

[MSDN Library June 1998] The Allow Nulls property can't be set on a column that is part of the primary key. (83.029197080292%)

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

[MSDN Library June 1998] The existing relationship must have at least one pair of related columns. (81.7518248175182%)

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

[MSDN Library June 1998] The number of selected columns exceeds the number of columns in the target table. (81.7518248175182%)

MSDN Library Visual Studio 6.0 > 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 (29.3718264043161%)

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

[MSDN Library September 1992] The #ifdef and #ifndef Directives (28.8243811488416%)

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 (28.5369723897175%)

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 (28.4569232470692%)

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

[MSDN Library September 1992] The #if, #elif, #else, and #endif Directives (28.4067407653174%)

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