Lab Sql

In this blog a Google Cloud employee explains how to do repeatable sampling of data sets for machin… Read more How To Do Repeatable Sampling In Bigquery Standard Sql?

I have a SQL Server 2014 table filled with MD5 hashses generated by php using the php $hash = md5($… Read more How Can I Get A Sql Server Md5 Hash To Match A Previous Php Md5 Hash?

I am trying to learn to use PBKDF2 hash functions for storing passwords in the database. I have a r… Read more What Should Be The Data Type For The Hashed Value Of A Password Encrypted Using Pbkdf2?

I'm trying to quickly determine if two sets of schedules are identical and also generate a key … Read more Why Do These Datetime Values Return The Same Checksum & Checksum_agg? How Can I Make It More Unique?

I need to create a string of random digits in TSQL I thought about HASH + CONVERT But convert works… Read more Create Random String Of Digits T-sql

I have this table which doesn't have a primary key. I'm going to insert some records in a n… Read more Create A Unique Primary Key (hash) From Database Columns

I want to send a lot of data from c# to my database, together with a calculated checksum as the las… Read more Comparing A C# Generated Checksum With A Sql Server One

I'm attempting to create a pure t-sql representation of the default SHA-1 password hashing in t… Read more Generate Asp.net Membership Password Hash In Pure T-sql