In my last couple of tips, I talked about the importance of a Business Intelligence solution, why it is becoming priority for executives, what a typical Business Intelligence system architecture looks like, etc. In this tip, I going to talk in detail about how a data warehouse is different from operational data store and the different design methodologies for a data warehouse. Operational Data Store ODS The purpose of the Data Warehouse in the overall Business Intelligence Architecture is to integrate corporate data from different heterogeneous data sources in order to facilitate historical and trend analysis reporting. For better performance, mostly data in data warehouse will be in de-normalized form which can be categorized in either star or snowflake schemas more on this in the next tip. The purpose of the Operation Data Store ODS is to integrate corporate data from different heterogeneous data sources in order to facilitate real time or near real time operational reporting. Often data in the ODS will be in structured similar to the source systems, although during integration it can involve data cleansing, de-duplication and can apply business rules to ensure data integrity.
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DULUTH -- For expenses ranging from gas masks and holsters, to moving a piano used by protesters and adding extra portable toilets at jails, northern Minnesota law enforcement and fire departments along the Line 3 oil pipeline route are being reimbursed by an Enbridge-funded account managed by the state. From the start of Line 3 construction Dec. Law enforcement agencies maintain the purpose of the reimbursements is to take the financial burden of Line 3 public safety efforts off taxpayers, while activists opposed to the pipeline argue the payments are a conflict of interest and incentivize more patrolling of their camps and activities.
For the first time during his trial on murder and manslaughter charges in the death of George Floyd, Derek Chauvin spoke for himself Thursday, April Taking off the face mask he wore as a coronavirus pandemic precaution, Chauvin invoked his constitutional protections against self-incrimination. Chauvin appeared calm on video streamed live from inside the Hennepin County Courthouse, and spoke only briefly to answer procedural, yes-or-no questions from his attorney, Eric Nelson, and Judge Peter Cahill, before the jury was called back into the courtroom.