You find the Workspace Layout button on the status bar.

Answer the following statement true (T) or false (F)


False

Computer Science & Information Technology

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A complete set of data for a single student that includes the following information is called a __________.

Student ID, First Name, Last Name, Major, Class a. Table b. Column c. Row d. Field

Computer Science & Information Technology

What are the three major types of navigation systems? Explain the differences among them.

What will be an ideal response?

Computer Science & Information Technology

Suppose the file is not ordered by the key field Ssn and we want to construct a B + - tree access structure (index) on SSN. Calculate (i) the orders p and p leaf of the B + -tree; (ii) the number of leaf-level blocks needed if blocks are approximately 69% full (rounded up for convenience); (iii) the number of levels needed if internal nodes are also 69% full (rounded up for convenience); (iv) the total number of blocks required by the B + -tree; and (v) the number of block accesses needed to search for and retrieve a record from the file--given its SSN value-- using the B + -tree.

Consider a disk with block size B=512 bytes. A block pointer is P=6 bytes long, and a record pointer is P R =7 bytes long. A file has r=30,000 EMPLOYEE records of fixed-length. Each record has the following fields: NAME (30 bytes), SSN (9 bytes), DEPARTMENTCODE (9 bytes), ADDRESS (40 bytes), PHONE (9 bytes), BIRTHDATE (8 bytes), SEX (1 byte), JOBCODE (4 bytes), SALARY (4 bytes, real number). An additional byte is used as a deletion marker.

Computer Science & Information Technology

To properly secure a database, ________ should be disabled, because they allow users access to the Navigation Pane and the Visual Basic Editor even if these items are hidden from view initially in the database

Fill in the blank(s) with correct word

Computer Science & Information Technology