In MySQL, the BIT_AND() function returns the bitwise AND of all bits in a given expression.
window functions
7 Ways to Find Duplicate Rows in PostgreSQL while Ignoring the Primary Key
Here are seven ways to return duplicate rows in PostgreSQL when those rows have a primary key or other unique identifier column.
This means that the duplicate rows share exactly the same values across all columns with the exception of their primary key/unique ID column.
11 Ways to Find Duplicate Rows that have a Primary Key in Oracle
Here are eleven options for returning duplicate rows in Oracle Database when those rows have a primary key or some other unique identifier column and you want to ignore it.
11 Ways to Find Duplicate Rows while Ignoring the Primary Key in SQLite
Here are eleven options for returning duplicate rows in SQLite when those rows have a primary key or some other unique identifier column (but you want to ignore the primary key).
This means that the duplicate rows share exactly the same values across all columns with the exception of their primary key/unique ID column.
6 Ways to Select Duplicate Rows in Oracle
The following examples return duplicate rows from an Oracle Database table.
3 Ways to List All Stored Procedures that Reference a Table in PostgreSQL
Here are three examples of returning a list of stored procedures that reference a specific table in PostgreSQL.
6 Ways to Select Duplicate Rows in SQLite
The following queries can be used to return duplicate rows in SQLite.
Here, the duplicate rows contain duplicate values across all columns, including the ID column.