What are the ways on commenting in a pl/sql code?
Give an example of Full Outer Join?
How do rank () and dense_rank () differ?
What are the sql versions?
What problem one might face while writing log information to a data-base table in pl/sql?
Can %notfound return null after a fetch?
what is “go” in t-sql? : Transact sql
What is normalisation in sql?
What is the result, when NULL is compared with NULL?
How do we tune the code?
wa procedure to return the month and the no'f developers joined in each month.
have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.
Explain aggregate functions are available there in sql?