Interview » DB2 http://interview.msdotnetheaven.com Best place for interview preparation Sat, 21 May 2011 21:43:04 +0000 en hourly 1 http://wordpress.org/?v=3.1.2 How can one determine the status of a tablespace? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-can-one-determine-the-status-of-a-tablespace.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-can-one-determine-the-status-of-a-tablespace.html#comments Sun, 09 Aug 2009 06:59:26 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/how-can-one-determine-the-status-of-a-tablespace/
  • How is the status of a utility reset after it has been stopped by DB2 ?
  • How would you move a tablespace (using STOGROUP) to a different DASD volume allocated to that tablespace?
  • Which DB2 command is used to retrieve environmental information?
    • ]]>     By using the DISPLAY DATABASE command.

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    1. How is the status of a utility reset after it has been stopped by DB2 ?
    2. How would you move a tablespace (using STOGROUP) to a different DASD volume allocated to that tablespace?
    3. Which DB2 command is used to retrieve environmental information?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-can-one-determine-the-status-of-a-tablespace.html/feed 0     How is the status of a utility reset after it has been stopped by DB2 ? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-is-the-status-of-a-utility-reset-after-it-has-been-stopped-by-db2.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-is-the-status-of-a-utility-reset-after-it-has-been-stopped-by-db2.html#comments Sun, 09 Aug 2009 06:59:15 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/how-is-the-status-of-a-utility-reset-after-it-has-been-stopped-by-db2/
  • How can one determine the status of a tablespace?
  • Which DB2 command is used to retrieve environmental information?
    • ]]>     By issuing the START RLIMIT command.

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    1. How can one determine the status of a tablespace?
    2. Which DB2 command is used to retrieve environmental information?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-is-the-status-of-a-utility-reset-after-it-has-been-stopped-by-db2.html/feed 0     Which command is issued to establish the Boot Strap Data Set after an I/O failure? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-command-is-issued-to-establish-the-boot-strap-data-set-after-an-io-failure.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-command-is-issued-to-establish-the-boot-strap-data-set-after-an-io-failure.html#comments Sun, 09 Aug 2009 06:59:04 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/which-command-is-issued-to-establish-the-boot-strap-data-set-after-an-io-failure/
  • Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?
  • Which DB2 command is used to retrieve environmental information?
  • The only place of VSAM KSDS in DB2 is?
    • ]]>     The DBA would issue a RECOVER BSDS command.

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    1. Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?
    2. Which DB2 command is used to retrieve environmental information?
    3. The only place of VSAM KSDS in DB2 is?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-command-is-issued-to-establish-the-boot-strap-data-set-after-an-io-failure.html/feed 0     Which DB2 command is used to retrieve environmental information? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-db2-command-is-used-to-retrieve-environmental-information.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-db2-command-is-used-to-retrieve-environmental-information.html#comments Sun, 09 Aug 2009 06:58:51 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/which-db2-command-is-used-to-retrieve-environmental-information/
  • How is the status of a utility reset after it has been stopped by DB2 ?
  • How can one determine the status of a tablespace?
  • Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?
    • ]]>     The DISPLAY command can return the following environmental data: DATABASE info, RLIMIT info, THREAD info, TRACE info, and UTILITY info.

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    1. How is the status of a utility reset after it has been stopped by DB2 ?
    2. How can one determine the status of a tablespace?
    3. Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/which-db2-command-is-used-to-retrieve-environmental-information.html/feed 0     What is read-only cursor? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-read-only-cursor.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-read-only-cursor.html#comments Sun, 09 Aug 2009 06:58:09 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-read-only-cursor/
  • When is the results table for the query in a DECLARE CURSOR statement created?
  • What is cursor stability?
  • What is meant by a repeatable read?
    • ]]>     A read-only cursor is one in which the result table was created by a query containing one of the following :
    • a DISTINCT keyword
    • a UNION operator
    • a column or scalar function
    • a GROUP BY clause
    • a ORDER BY clause
    • a HAVING clause
    • a read-only view in the FROM clause
    • a FROM clause identifying more than one table or view

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    1. When is the results table for the query in a DECLARE CURSOR statement created?
    2. What is cursor stability?
    3. What is meant by a repeatable read?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-read-only-cursor.html/feed 0     When is the results table for the query in a DECLARE CURSOR statement created? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/when-is-the-results-table-for-the-query-in-a-declare-cursor-statement-created.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/when-is-the-results-table-for-the-query-in-a-declare-cursor-statement-created.html#comments Sun, 09 Aug 2009 06:57:56 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/when-is-the-results-table-for-the-query-in-a-declare-cursor-statement-created/
  • when does the sql statement gets executed when you use cursor in the application programming ?
  • What is read-only cursor?
  • What is the syntax required for the creation of a cursor?
    • ]]>     The results table for a query specified in a DECLARE CURSOR statement of a cursor is created during the execution of the OPEN CURSOR statement.

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    1. when does the sql statement gets executed when you use cursor in the application programming ?
    2. What is read-only cursor?
    3. What is the syntax required for the creation of a cursor?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/when-is-the-results-table-for-the-query-in-a-declare-cursor-statement-created.html/feed 0     What is the syntax required for the creation of a cursor? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-syntax-required-for-the-creation-of-a-cursor.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-syntax-required-for-the-creation-of-a-cursor.html#comments Sun, 09 Aug 2009 06:57:44 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-syntax-required-for-the-creation-of-a-cursor/
  • Create dynamic query with dynamic joins
  • When is the results table for the query in a DECLARE CURSOR statement created?
  • when does the sql statement gets executed when you use cursor in the application programming ?
    • ]]>     EXEC SQL
    DECLARE cur_name CURSOR for
    SELECT col1,col2
    FROM table1
    WHERE col1 = search_condition
    END-EXEC.

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    1. Create dynamic query with dynamic joins
    2. When is the results table for the query in a DECLARE CURSOR statement created?
    3. when does the sql statement gets executed when you use cursor in the application programming ?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-syntax-required-for-the-creation-of-a-cursor.html/feed 0     Explain the use of the WHERE clause. http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/explain-the-use-of-the-where-clause.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/explain-the-use-of-the-where-clause.html#comments Sun, 09 Aug 2009 00:35:02 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/explain-the-use-of-the-where-clause/
  • What is the difference between Where and Having Clause
  • What is meant by indicator variable?
  • Can we declare DB2 HOST variable in COBOL COPY book?
    • ]]>     It directs DB2 to extract data from rows where the value of the column is the same as the current value of the host variable.

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    1. What is the difference between Where and Having Clause
    2. What is meant by indicator variable?
    3. Can we declare DB2 HOST variable in COBOL COPY book?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/explain-the-use-of-the-where-clause.html/feed 0     : what is the maximum number of tables that can be joined ? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-maximum-number-of-tables-that-can-be-joined.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-maximum-number-of-tables-that-can-be-joined.html#comments Sun, 09 Aug 2009 00:34:44 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-maximum-number-of-tables-that-can-be-joined/
  • The maximum number of in-stream procedure you can code in any JCL is ?
  • In which column of which DB2 catalog would you find the length of rows for all tables?
  • I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?
    • ]]>     Fifteen

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    1. The maximum number of in-stream procedure you can code in any JCL is ?
    2. In which column of which DB2 catalog would you find the length of rows for all tables?
    3. I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/what-is-the-maximum-number-of-tables-that-can-be-joined.html/feed 0     How do you declare a host variable (in COBOL) for an attribute named EMP-NAME of type VARCHAR(25) ? http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-do-you-declare-a-host-variable-in-cobol-for-an-attribute-named-emp-name-of-type-varchar25.html http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-do-you-declare-a-host-variable-in-cobol-for-an-attribute-named-emp-name-of-type-varchar25.html#comments Sun, 09 Aug 2009 00:34:20 +0000 neerajmehta1984 http://www.interview.msdotnetheaven.com/index.php/mainframe-question-and-answers/mainframe-db2-question-answer/how-do-you-declare-a-host-variable-in-cobol-for-an-attribute-named-emp-name-of-type-varchar25/
  • Can we declare DB2 HOST variable in COBOL COPY book?
  • what’s the equivalent Cobol Data type for Decimal(x,y) in DB2? what does the current SQLID register contain?
  • What is a host variable?
    • ]]>     01 EMP-GRP. 49 E-LEN PIC S9(4) COMP. 49 E-NAME PIC X(25).

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    1. Can we declare DB2 HOST variable in COBOL COPY book?
    2. what’s the equivalent Cobol Data type for Decimal(x,y) in DB2? what does the current SQLID register contain?
    3. What is a host variable?

    ]]>     http://interview.msdotnetheaven.com/mainframe-question-and-answers/mainframe-db2-question-answer/how-do-you-declare-a-host-variable-in-cobol-for-an-attribute-named-emp-name-of-type-varchar25.html/feed 0