A fact-table must have foreign-key constraints to one or more of the dimension-tables in the data warehouse. Action: Check whether: The fact-filter is correctly specified The appropriate constraints exist The user has privileges to access the tables QSM-00512 invalid summaries specified in ...
Although current therapies have made HIV-1-induced acquired immune deficiency syndrome (AIDS) a manageable chronic disease, it remains a global health priority. The unavailability of a cure and the development of drug resistance indicate that a deep understanding of all steps of the HIV-1 life cy...
26 Social Stigma and Lack of Understanding on Trafficking 26:09 Understanding Different Types of Trafficking 30:35 Why Discuss Human Trafficking Now 32:16 Reporting Mechanisms for Trafficking Cases 34:52 Vulnerability of Children from Maritime Islands 35:36 Addressing Historical W...
One of the most used notations concerning which the proteins contained in PDB can benefit is the textual notation. Each line protein is called a record; the different types of records are arranged in a specific order to describe a structure.Listing 1reports an excerpt of the PDB structure of...
Constraints is a rule or restriction concerning a piece of data that is enforced at the data level. A Constraint clause can constrain a single column or group of columns in a table. There are five types of Constraint namely 1.Null / Not Null ...