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Given a table Employee which has columns name and salary, write an SQL query to find the employee with the second highest salary.
1133Given a table of Player which contains Sno and player name, write a query which finds all possible Table Tennis doubles pairings.
1476Two tables emp(empid,name,deptid,sal) and dept(deptid,deptname) are there.write a query which displays empname,corresponding deptname also display those employee names who donot belong to any dept.
1895Post New Databases AllOther Questions
define primary key index, bitmap index, hash index,virtual indwx
Is database a hardware or software?
What is a Database?
Please post the scenerois for writing the complex sql queries , for my practice.Can be any query if you cannot solve.
london school of science and technology has a software development unit,known as lsst solutions,which is responsible for developing and implementing software throughout the collegejames tristan keeps a record of all student details in the college including student id,name,and start date and phone number.There are many courses offered by LSST. For example MBA, MSc, BSc, BABS, DF, English etc. Each course id identified by course id, description, duration. Each course has many semesters. Each semester takes place during a particular term. Semester details and term details are required to be stored in the database. Each course has many subjects and same subject may be offered in many courses. For each subject many details such as Subject code, name, result and attendance are required to be stored. Every subject has mainly two assessments; one assignment and one exam. Assignment is worth of 30% and exam 70% respectively. You have been appointed as a database designer. Your job is to provide ERD with all possible entities and relationships. Note: Feel free to make necessary assumptions 3: Assignment Tasks. 1. Create an ERD for the above problem 2. Translate the ERD to Relational Data model (RDM) 3. Implement the RDM by creating the tables 4. Populate the database with your own data. 5. SQL Queries for the following tasks a. List all student details in each course along with course details b. Count and display number of students in each course. c. List student name, course name, assessment description, marks for all students.
What are database connection details?
Is it good to store images in database?
What is lagging in DBMS ?
i applied prompt on country when i run report it shows list of all countries but want it to show only four countries name
how to send multiple records which matches all the condition in the lookup transformation ? (if lookup matches the codition for duplicate values)
How does non-cluster index functions?
can any one tell me how i can start database testing mean what should be initial point and how i can write a query for listing page of any item thanks in advance
What are different types of clusters present?
Which is the best graph database?
What is the DIF format and when we will use in teradata
