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

Information in the data dictionary is called: _______________

Only one ____ constraint can exist for each table.

The catalog is maintained by ____.

The field ______ defines the maximum number of characters a field can contain.

When a subquery is used, ____ is(are) evaluated first.

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 following statements about a distributed database is false?

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

An Object-oriented database stores persistent object(s) that is/are not shared among multiple applications or programs, in a permanent storage.

Which of the following access control policies ensures a high degree of protection from malicious attacks?