Scripts

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): […]

4 (2)

2019-11-18 (first published: )

420 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: )

447 reads

T-SQL script to purge all the tables including foreign key references

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.

5 (3)

2019-11-11 (first published: )

687 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

130 reads

Generic trigger for maintaining the Audit Log

This trigger will work even if you don't have the primary key on any table. Mechanism to configure the primary key in config table has been provided. This can be very helpful to solve the system audit requirements without much efforts.

Disclaimer : Audit Log trigger has performance overhead. It’s meant for table which is not frequently updated, deleted or inserted. Please take precaution when creating the trigger on the table having too many columns.

2.33 (3)

2019-10-15 (first published: )

558 reads

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