Consider the Orders relation shown in the exhibit. Which of the following SQL statements would replace the value in the Sales_Rep_No column with 110 everywhere that Sales_Rep_No 108 is listed?
Which of the following best describes the ON DELETE NO ACTION referential integrity constraint?
Which statement best describes a candidate key?
Which statement is used to define a named group of related tables, views, domains and other database objects?
Which of the following is a characteristic of the three-tier database architecture?
Which subset of Structured Query Language (SQL) is used to limit access to a database or its data?
Consider the following relations shown in the exhibit. Which of the following SQL statements would return the Customers2 relation from the Customers relation?
Which subset of Structured Query Language (SQL) is used to perform operations such as data retrieval or deletion on the data contained in a database?
Which term describes the rejoining of relations that have been decomposed?
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