Bluecrystalsolutions

We have been experts in Cloud, Applications, Databases, and IT Infrastructure since 2004 and when it comes to working with database technologies Oracle, SQLServer, Sybase and PostgreSQL - we do it all. Database technologies are part of our DNA and managing, migrating and supporting them is our core offering.

Our renowned database technology expertise means we can foresee and handle any situation. Over the course of our rich history, we have worked extensively with various tools, allowing us to develop a comprehensive understanding of how these intricate components seamlessly bridge the gap between old and new technologies. This experience, coupled with our commitment to service excellence, is why our customers choose us our Database Managed Services and to help them migrate into the cloud.

We provide outsourced IT resources and services that empower your organisation with cutting-edge technology to maximise your security, efficiency, productivity, and growth. Harnessing our technology partner ecosystem - Microsoft, AWS & Oracle - we collaborate with you, your team, and your wider organisation to be the skills you need to deliver best-of-breed IT.
  • Interests: SQL Server, Database Management, Database Migrations
  • Skills: 24x7 Database Support, Back up & Recovery, Database Cloning, Database Migrations, Database Security Assessments, Disaster Recovery, Event & Alert Management, Health Check Reports, High Availability, Incident Management, Problem Management, Remote DBA Support, Security Patching, Workload Reports

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Blogs

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Forums

Adding new column with DEFAULT II

By Thomas Franz

Comments posted to this topic are about the item Adding new column with DEFAULT...

Advanced Deployment Scenarios: Stairway to Reliable Database Deployments Level 7

By Massimo Preitano

Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...

You Need a DBA Pipeline

By Steve Jones - SSC Editor

Comments posted to this topic are about the item You Need a DBA Pipeline

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Question of the Day

Adding new column with DEFAULT II

Which number did the two COUNT(*) return: 

DROP TABLE IF EXISTS #tmp
CREATE TABLE #tmp (id INT NOT NULL)

INSERT INTO #tmp (id) 
SELECT gs.value
  FROM GENERATE_SERIES(1, 5) AS gs

ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value

ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

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