Results for “duplicate”
Small, practical examples. Search by task or narrow things down below.
Reject duplicate business identifiers
SQL Server: A UNIQUE constraint protects a business key independently of the primary key.
SQL Server✓ Tested
Reject duplicate business identifiers
Postgres: A UNIQUE constraint protects a business key independently of the primary key.
Postgres✓ Tested
Reject duplicate business identifiers
SQLite: A UNIQUE constraint protects a business key independently of the primary key.
SQLite✓ Tested
Remove adjacent duplicate lines
Linux Commands: Remove adjacent duplicate lines using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Remove adjacent duplicates from a sorted array
C: Compact equal neighbors with a write index after sorting or otherwise establishing order.
C✓ Tested
Remove duplicate records by a selected key
C#: DistinctBy keeps the first record for each key in encounter order.
C#✓ Tested
Remove duplicate result values
SQL: Use DISTINCT when repeated category values are not useful.
SQL✓ Tested
Remove duplicate result values
SQL Server: Use DISTINCT when repeated category values are not useful.
SQL Server✓ Tested
Remove duplicate result values
Postgres: Use DISTINCT when repeated category values are not useful.
Postgres✓ Tested
Remove duplicate result values
SQLite: Use DISTINCT when repeated category values are not useful.
SQLite✓ Tested
Remove duplicate values
Use LINQ Distinct and OrderBy for a sorted C# result.
C#✓ Tested
Remove duplicate values
Preserve encounter order while removing repeated Java list values.
Java✓ Tested