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nullable unique constraint ef Code Example
nullable unique constraint ef 
// Add unique nullable index 
string indexName = "IX_UQ_UniqueColumn";
string tableName = "dbo.ExampleClasses";
string columnName = "UniqueColumn";

Sql(string.Format(@"
    CREATE UNIQUE NONCLUSTERED INDEX {0}
    ON {1}({2}) 
    WHERE {2} IS NOT NULL;",
    indexName, tableName, columnName));
Source: stackoverflow.com



Csharp

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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Horje