Question : We are in the process of creating a new application where various tables are used to hold enumerations. […]
Tag: bitwise-comparison
Best Way to Index an INT Column Used for BitWise Queries
Question : What is the best way to index a column for an efficient look-up based on a bitwise comparison […]
Boolean logic with BITs and Booleans in SQL Server
Question : How can I mix boolean logic with bitwise and/or operators in SQL Server, specifically SQL Azure Database and/or […]
Exclude certain categories from a flag column
Question : I have a table P that has a Categories column. The Categories column is a bitwise flag; I […]
Using a 512 bit binary column as a bit field
Question : I’m designing a table to keep track of a value that has to represent the on-off setting of […]
Select Statement with Temp Column driven by Bitmask
Question : I have a role system setup that checks to see if bits are set for specific roles. Each […]
Postgres: extracting multiple bit-columns from single ‘flags’ column after join with 2nd table
Question : I have a query similar to this below. As you can see, there are multiple parts which are […]
Oracle Equivalent of SQL Server’s Bitwise Operators
Question : I am trying to figure out all of the common bit-wise operations in Oracle. In SQL Server we […]
Understanding the use of bitwise operators in MySQL?
Question : Can someone explain the purpose of using bitwise operators(like BIT_OR) in MySQL queries. For example, if have a […]
How to convert an integer that was the end result of a bitwise OR to a table of the individual integers that the bitwise OR was applied against?
Question : How can I convert the final integer of a bitwise OR back to it’s original set of integers […]