DBMS PUZZLE

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Across
  1. 4. _____ operator is used for appending two strings.
  2. 6. DDL command used to delete the data in the tables
  3. 8. Query language used to retrive data from data base
  4. 9. The number of attributes in relation is called
  5. 10. TCL command used to save all the transactions to the database.
Down
  1. 1. If we want to retain all duplicates, we must replace union with
  2. 2. DCL ommand used to take back permissions from the user
  3. 3. ______ operator is used to get the common tuples.
  4. 5. In SQL the spaces at the end of the string are removed by _______ function.
  5. 7. DQL command to select data based on condition