Differentiate between unique key and foreign key?
What is the purpose of firebase?
Explain database partitioning. What is its importance?
What is redis good for?
How to do Data integrity testing? Who does this testing (Developer or tester)?
What are different types of blocks used in stored procedure?
What is the best database?
1. How to test Database? Please, give me all details for "SQL,Msaccess, Mysql Database? 2.For which functionalities database used? 3.How to convert Guest to Admin by Mysql database?
What are the two categories of Client-Server application development?
hai i want to learn oracle apps and i want to put the fake exp of one year so could you please suggest me which is best institute in hyderabad to learn oracle with real time project experience?
Two 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.
Source File: Target EMPNO, SAL Empno, Format 101, 1000 101, 1000 101, 1100 101, 1000, 1100 101, 1000 101, 1000, 1100, 1000 101, 10000 101, 1000, 1100, 1000, 10000 102, 1100 102, 1100 102, 1300 102, 1100, 1300 102, 1200 102, 1100, 1300, 1200 102, 1500 102, 1100, 1300, 1200, 1500 How can i get that output using datastage(ETL) tool
Explain alternate key?