How many commands are there in sql?
No Answer is Posted For this Question
Be the First to Post Answer
Mention what is the function that is used to transfer a pl/sql table log to a database table?
Is sql an operating system?
What are stuff and replace function?
Explain cursor types?
I have a table with 1 million records out of which 10,000 records are of unique records, then if I will implement index, then which type of index shall I use and why shall I use?
What is the first action to perform a query? Suppose I have four tables and five joins and my query is getting slow day by day.
Can a foreign key be a duplicate?
What are the two types of exceptions in pl/sql?
how to select unique records from a table? : Sql dba
Whate is use of MOD function in pl/sql.
one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?
Table Student has 3 columns,Student_id,Student_Name & Course_Id. Table Course has 2 columns, Course_Id & Course_Name.Write a query to listdown all the Courses and number of student in each course.