Answer / deepak dada

data manipulation language eg select insert update delete

Answer / samir kumar sahoo

DML stands for Data Manipulation Language.This langage
enables the users to make manipulation operations on the
data present in the database.

Answer / srinivasa yadav

DML STANDS FOR DATA MANIPULATION LANGUAGE
THE COMMANDS IN DML ARE SELECT, INSERT, DELETE, UPDATE
EX:-SELECT
1) SELECT * FROM TABLENAME;
IT WILL RETRIVE ALL THE COLUMNS.
2) SELECT EMP_ID,EMP_HLDR_NAME,EMP_AMT FROM TABLENAME;
IT WILL RETRIVE ONLY PARTICULAR ROWS.
INSERT : - IT IS USED TO INSERT THE VALUES.
DELETE : - IT IS USED TO DELETE THE ROW.
UPDATE : - IT IS USED TO UPDATE THE ROW.

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

0 Answers  

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i have one file having 100 of records? i want to display it like 20 records in one column and 20 records in another column total 40 records per page ? how ?

2 Answers   EDS,

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What is a db2 schema?

0 Answers  

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SET is the ANSI standard for variable assignment, SELECT is not. SET can only assign one variable at a time, SELECT can make multiple assignments at once. If assigning from a query, SET can only assign a scalar value. If the query returns multiple values/rows then SET will raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one) When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from it's previous value) As far as speed differences - there are no direct differences between SET and SELECT. However SELECT's ability to make multiple assignments in one shot does give it a slight speed advantage over SET.

0 Answers  

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What are the three DB2 date and time data types and their associated functions?

1 Answers  

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Q4. How will you get the count of record without using COUNT verb in query?

2 Answers   IBM,

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Why use RUNSTAT Utility?

3 Answers   Merrill Lynch,

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What if , we failed to mentioed null indicator in sql select query , that may retrieve null value ?

2 Answers   Cap Gemini,

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What is a precompiler?

2 Answers  

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What are the 2 sqlcodes that are returned?

0 Answers  

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What if we try to insert the base table through updatable view , but failed to give a column value which is defined as NOT NULL.

1 Answers   Cap Gemini,

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What is usage pointer in cobol?

3 Answers   IBM,

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