Explain the group by in select statement
Explain the group by in select statement? Answer: Group by clause is utilized in Teradata to eliminate repetitive values in a column or group of columns, while we select result of a specific query. And this represents it like single entity.
Explain the group by in select statement?
Answer: Group by clause is utilized in Teradata to eliminate repetitive values in a column or group of columns, while we select result of a specific query. And this represents it like single entity.
What are some of the impediments to good decision making? Given the availability of copious information, why do good managers still make bad decision?
Define the term File Manager and Storage Manager in relational database management system.
Illustrates the perfect competition?
Illustrates the term data sparsity and how this effect upon aggregation?
Give a brief note on the term degenerate dimension table?
Write a short note on the differences between vertical and horizontal portioning?
How can we remove duplicate rows from the flat file?
What demerits of ODBC does OLE DB overcome?
Explain the repository domains?
Explain about the Data Storage Definition Language?
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