Is nosql relational?
How do I count rows in sql?
----> There is a table T with two columns C1 and C2. The data is as below: C1 C2 1 4 2 5 3 6
what is hash join
what is overloading procedure or overloading function ?
what is the difference between trigger and constraint?
What is sqlcontext?
I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.
How many types of tables are there?
How is data stored on a disk?
What is composite data type in pl sql?
What are triggers and its uses?
What are stored procedures used for?