Object Query Language (OOL) is based on which of the following data models?

Which of the following statements about a distributed database is false?

Which of the following syntaxes are used for inserting data into a table? (1) INSERT INTO table_name VALUES (value1,value2, value3,...); (2) INSERT INTO table_name (columnl. column2. column3,...) VALUES (valuel. value2. valueB....); (3) INSERT INTO table_name1 [(column1, column2, column3, .....) ] SELECT column1.column2.co|umn3. FROM table_name2 [WHERE condition];

Which Of the given figures represents a weak entity as used in Entity-Relationship (ER) diagrams?

A tablespace is divided into .

Consider a relation 'Book' with the following structure: book_id (Primary key) book_name book_title date_of_issue Which of the following relational algebra operations will return all the entries of book_id and book_title from the relation 'Book'?

Only one ____ constraint can exist for each table.

Information in the data dictionary is called: _______________

In the data hierarchy, the smallest element is the _____.

If b (an attribute) is functionally dependent on a, we can also say that ____.

Data that are never physically altered once they are added to the store are called ________ data.