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Tag: bitwise-comparison

Column To generate Flag Values for use in bitwise comparisons

By adminPosted on November 21, 2022

Question : We are in the process of creating a new application where various tables are used to hold enumerations. […]

Best Way to Index an INT Column Used for BitWise Queries

By adminPosted on November 5, 2022

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

By adminPosted on August 29, 2022

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

By adminPosted on July 21, 2022

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

By adminPosted on October 18, 2021

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

By adminPosted on October 4, 2021

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

By adminPosted on September 9, 2021

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

By adminPosted on July 20, 2021

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?

By adminPosted on April 14, 2021

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?

By adminPosted on April 9, 2020

Question : How can I convert the final integer of a bitwise OR back to it’s original set of integers […]

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