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)
26,378 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.
2019-11-24
905 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)
1,030 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)
2,121 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)
3,900 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
4,210 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)
5,532 reads
2019-11-01 (first published: 2019-10-19)
6,797 reads
2019-11-01 (first published: 2019-10-22)
459 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)
779 reads
Blogs
T-SQL Tuesday #202 Invitation: That One SQL Server Outage You’ll Never Forget
I am excited to host T-SQL Tuesday for the first time. I want to...
A Daily Report from Claude
By Steve Jones
Redgate had some Claude training recently, which I went through as my knowledge has...
A New Word: Gnossienne
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gnossienne– n. the awareness that someone you’ve known for years still has a private...
Forums
Measuring Productivity
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Importing Excel files into SQL Server using DuckDB and Python
Comments posted to this topic are about the item Importing Excel files into SQL...
Tracking All the Queries
Comments posted to this topic are about the item Tracking All the Queries
Question of the Day
Tracking All the Queries
I have 3 instances of a brand new long running query that are executing on a SQL Server 2025 instance. Query store is enabled. One of the queries is killed by the administrator, one is cancelled by the user. The other runs to completion. How many rows are in Query Store for this query?
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