query: make unique key by combination of 4 filed?
positive_passages.docid: 35823
positive_passages.text: How to create SQL like composite key
negative_passages.docid: 138218
negative_passages.text: Is it possible to perform a rudimentary asymmetric key encryption algorithm by hand?
negative_passages.docid: 94539
negative_passages.text: Generate four random words from a list for XKCD-like passwords
negative_passages.docid: 80042
negative_passages.text: Automatically provide unique id in the database
negative_passages.docid: 17415
negative_passages.text: case-insensitive array_unique
negative_passages.docid: 138084
negative_passages.text: How to derive two keys from one password
negative_passages.docid: 16236
negative_passages.text: Is it possible to enforce unique values in a column, excluding nulls?
negative_passages.docid: 52068
negative_passages.text: combination of two field must be unique in Entity Framework code first approach. how it would?
negative_passages.docid: 112312
negative_passages.text: Create unique sequence per set of rows sharing the same foreign key value
negative_passages.docid: 94836
negative_passages.text: Total combinations from number of unique combination?
negative_passages.docid: 137172
negative_passages.text: How to get distinct characters?
negative_passages.docid: 55294
negative_passages.text: How can I create a product key for my C# application?
negative_passages.docid: 17974
negative_passages.text: How to use multiple modifier keys in C#
negative_passages.docid: 54124
negative_passages.text: How to generate a ciphertext independently decodable with multiple keys?
negative_passages.docid: 149805
negative_passages.text: exam class - permute mc answer choices, generate answer key
negative_passages.docid: 33176
negative_passages.text: Can I have multiple primary keys in a single table?
negative_passages.docid: 24513
negative_passages.text: How to keep keys/values in same order as declared?