A varchar(MAX) STRING_SPLIT function for SQL 2012 and above
An alternative for Microsoft's STRING_SPLIT function that will work on SQL Server 2012 and higher.
2019-12-05 (first published: 2019-02-28)
26,277 reads
Scripts
Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays
This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node. The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression.
2019-11-25 (first published: 2019-11-24)
798 reads
Create a view to Alter a Table and Add three Columns
I am teaching a database class at Queens College. The project entails the truncation of all of the data and loading new data into the existing database "BIClass" from a single of the flattened data. One of the tasks of the project was to add these three additional columns to each of the tables (AlterTableAddColumnsUserAuthorizationKeyAndTwoTimeStamps): […]
2019-11-18 (first published: 2019-11-10)
1,014 reads
Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays
This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node. The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression.
2019-11-12 (first published: 2019-11-08)
2,079 reads
T-SQL query to get the latest available backup chain
T-SQL query to return the latest available database backup chain (Full, Differential and Log) of individual databases along with their backup size and compressed size.
2019-11-08 (first published: 2019-10-30)
3,871 reads
sp_PerfSQ
A diagnostic tool for identifying Performance features of active SQL Queries. It collects performance detail from DMVs for queries with executing requests and is designed to demonstrate and quantify Query Shaping optimisation techniques by: quantifying query workload and throughput characteristics providing behavioural descriptors of potential performance inhibitors - refer column ThrottlePotential The ThrottlePotential column is […]
2019-11-07
4,184 reads
T-SQL query to copy data from one database to another database
T-SQL query to copy the rows of all the tables from one database to another database only if they have rows in Source DB and exact same Schema in both Source and Destination DB.
2019-11-07 (first published: 2019-10-30)
5,517 reads
2019-11-01 (first published: 2019-10-19)
6,770 reads
2019-11-01 (first published: 2019-10-22)
452 reads
Function to pad Bigint with leading zeros or other single characters
Function to pad bigint with leading 0's or other single character
2019-10-31 (first published: 2019-10-23)
769 reads
Blogs
T-SQL Tuesday #199 Invitation: Back to on-prem?
It’s time for T-SQL Tuesday again! And we’re almost to number 200! T-SQL Tuesday...
Data Skew in Data Engineering: What It Is and How to Fix It
You kick off a distributed job expecting it to finish in minutes — but...
Error Deploying GraphQL in Fabric: dm_exec_describe_first_result_set
A while ago we suddenly had an error while trying to deploy one Fabric...
Forums
Fuzzy String Matching in SQL Server 2025
Comments posted to this topic are about the item Fuzzy String Matching in SQL...
Representing Money
Comments posted to this topic are about the item Representing Money
Celebrating 30 years of PostgreSQL, A Thank you message
Comments posted to this topic are about the item Celebrating 30 years of PostgreSQL,...
Question of the Day
Representing Money
Which types of currency does the money data type represent?
See possible answers