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In context of database DML Means

  • Data Multiplication Line
  • Data Manupulation Language
  • Data Method Limit
  • Data Merit Logic
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

2. Data item characteristics that are important in data management include

  • punctuation
  • language
  • spelling
  • width

3. File record length

  • should always be fixed
  • should always be variable
  • should be chosen to match the data character
  • depends upon the size of file

4. Attribute of one table matching to the primary key of other table, is called as

  • foreign key
  • secondary key
  • candidate key
  • composite key

5. 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
Read more from - Database Question Answers - Chapter 1
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