Dropping database in RDS follows different method than dropping the database in local SQL Server. Below is the command to DROP the database in Amazon RDS EXECUTE msdb.dbo.rds_drop_database N'demodb' GO However when the SQL Server is configured with Multi-zone mirroring, then you need to set the partner to OFF and drop all active connections and […]
2020-01-17
12 reads
2019-12-20 (first published: 2019-12-10)
872 reads
T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and to use DELETE wherever there is foreign key reference.
2019-12-10
948 reads
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)
776 reads
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
128 reads
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)
624 reads
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)
513 reads
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)
596 reads
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
1,939 reads
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)
1,352 reads
By James-Serra
As a followup to my blog post Azure Data Lake Store Gen2 is GA,...
As always, the scripts in this post can also be found on our Git...
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