Mysql Setup


  1. A FULLTEXT index can be created for multiple columns.











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    In MySQL, a full-text search is based on the FULLTEXT indexes. A FULLTEXT index can be created both for a single column and for multiple columns. Searching is possible across columns.


  1. For what can the FULLTEXT indexes be created for?











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    Full-text searches are based on the FULLTEXT indexes. They can be created for MyISAM tables only. In MySQL, a full text search enables to look for words or phrases without using pattern-matching operations.



  1. The search mode that uses natural language search as a subroutine is ____________.











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    The query expansion search occurs in two phases. The natural language search is applied in the first phase. Query expansion search is one of the three modes of fulltext searching.


  1. The keyword used with UNION that retains duplicate rows is ___________.











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    The keyword ‘ALL’ used along with ‘UNION’ is not synonymous with just the ‘UNION’ statement. It produces the duplicate rows, if they exist, from the combination of the two tables in the SELECT query.



  1. The keyword used with UNION that does not retain duplicate rows is _____________.











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    The keyword ‘DISTINCT’ used along with ‘UNION’ is synonymous with just the ‘UNION’ statement. It produces only the distinct rows from the combination of the two tables in the SELECT query.