Interested to Buy Any Domain ? << Click Here >> for more details...
What are some SQL aggregates and other built-in functions?
- 2 Answers
- 5405 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / s
SQL aggregate functions
SUM,COUNT,MIN,MAX,AVG
BUILT-IN FUNCTIONS includes the above and other functions
like DATE,TIME,DAY,YEAR,DAYS,TIMESTAMP,NULLIF,HEX,SUBSTR
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / kishaloy bhowmick
Built in functions include all the mathematical functions
like sum,difference,multiply,division,max,min,avg.
And also date,time,year,month,timestamp etc.
| Is This Answer Correct ? | 0 Yes | 0 No |
can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well
Can a array declared with an index be displayed(readable format) in spool?
What is the result of open cursor statement?
what is the maximum number of tables that can be joined ?
Where can you declare a cursor in a cobol-db2 program?
why should we bind the DB2 program . What if we did not BIND a BD2 program ??
9 Answers Infosys, TCS, Xansa,
Explain about open switch business continuity software?
What is the function of buffer manager?
How do I optimize a query in db2?
What is dclgen in db2?
How can deadlocks be resolved?
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.
COBOL 
