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1.
Which of the following declarations defines the maximum length of a CHAR datatype columns in bytes?
2.
What is the default precision for fractional seconds in a TIMESTAMP datatype column?
3.
Which of the following is not a database object?
4.
Which of the following statements implicitly ends a database transaction?
5.
Which of the following constraints is also known as the referential integrity constraint?
6.
Identify whether the given statement is true or false.
"If there is a parent-child relationship between two tables, the records in the parent table can be deleted only if the child table does not contain any associated record."
"If there is a parent-child relationship between two tables, the records in the parent table can be deleted only if the child table does not contain any associated record."
7.
Identify whether the given statement is true or false.
"The datatype of a table's column cannot be changed if the column contains NULL values or the table does not contain rows."
"The datatype of a table's column cannot be changed if the column contains NULL values or the table does not contain rows."
8.
Identify whether the given statement is true or false.
"A view does not contain data of its own but derives (or dynamically displays) data from other tables or views on the basis of the query specified for the view."
"A view does not contain data of its own but derives (or dynamically displays) data from other tables or views on the basis of the query specified for the view."
9.
__________ are responsible for identifying the data to be stored in the database and for choosing appropriate structures to represent and store this data.
10.
Which of the following data types is platform-independent?