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In order to use a DBMS, it is important to understand

  • the physical schema
  • all subschemas
  • one sub schema
  • none of above

Answer: Option C

Similar Questions :

1. Allocation map

  • Used to store program data
  • specifies which blocks are used by which file
  • is updated by application programs
  • allow programs to erase files

Answer: Option B

2. Which among following is not a relational database

  • dBase IV
  • 4th Dimention
  • FoxPro
  • Reflex

Answer: Option D

3. Which among following is an approach for standardizing storing of data

  • MIS
  • Structured programming
  • CODASYL specifications
  • None of above

Answer: Option C

4. Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above

Answer: Option B

5. Which among following SQL commands is used to add a row

  • UPDATE
  • TRUNCATE
  • INSERT
  • ADD

Answer: Option C

Read more from - Database Question Answers - Chapter 1