What is coalesce in sql?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More SQL PLSQL Interview Questions

Give the structure of the procedure ?

1 Answers  


can we update a view which is created from two tables

11 Answers  


what is clause? : Sql dba

0 Answers  


Can you skip header records while loading? : aql loader

0 Answers  


What is scalar and vector?

0 Answers  






How can we optimize a sql query?

0 Answers  


how do you restrict number of rows for a particular value in a column.For example:there is a table called fruits,having apples,bananas ,papayas.I dont want to have more than 100 apples in that table ,so how can u restrict number of rows for apple to hundred?

6 Answers  


I have one table,in that table (1)i have java1.1 version books are 2 and java1.5 version books are 4. (2).Net2.0 books are 3, .Net3.5 books are 2 (3)ABC1.6 books are 4, ABC2.0 books are 3. Now i want output is like Book Count Java 6 .Net 5 ABC 7 For this i need sql query, please help me if anyone how to get this result. Thanks, Seenu

4 Answers   Adea,


What are the two types of cursors in pl sql?

0 Answers  


what are the system privileges that are required by a schema owner (user) to create a trigger on a table?

0 Answers  


Why you are not able to create a table using select command,if it is having a LONG column? for eg:create table test as select * from test1 here test1 containg a column having LONG datatype...

1 Answers  


If i insert record in table A and these record should update in table B by using Trigger.How to achieve this.

4 Answers   Saama Tech, TCS,


Categories