DBMS

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Across
  1. 3. table is called as
  2. 8. Null value is not allowed in this
  3. 9. the query language used in DBMS
  4. 10. collection of data sets is called
  5. 11. set of more than one attribute is called
  6. 12. Errors generated in DDL and DML is called
Down
  1. 1. Real time entity is called as
  2. 2. To access data uniquely we use this
  3. 4. we call this for a column in relation
  4. 5. row in database table is called as
  5. 6. referential key is known as this
  6. 7. collection of object is