what is primary key,unique key, foreign key? can u teach me
in simple language?
- 44 Answers
- 179780 Views
- Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro, I also Faced
- E-Mail Answers
Answer Posted / ganesan s
a key which is uniquely identified by a record is called
primary key.
| Is This Answer Correct ? | 120 Yes | 55 No |
Post New Answer View All Answers
What do you mean by database?
please tell me the informatica telecom projects interview question? like if they ask about project explanation and the difficulties and the solutions taken to solve the issues for telecom projects,e.g i am workin for a vodafone project handlin postpaid section,pls tell me wat wud be the process if i work in this ? thanks
query to Compare data of two tables between two different Databases(Oracle and SQL Server) Eg., Source Database: Oracle Table: Employee Target Database : SQL Server Table : emp
What is the importance of database partitioning?
What is global database name?
Differentiate between extension & intension?
What is ase database?
Is hive a database?
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
What are different types of data models available? Explain with example?
wHat Is THE difference between MOVEL and MOVEL(P)……….. CAN ANYONE EXPLAIN ME..
What is database bounce?
Write a query to get maximum and second maximum in oracle?
where can i free download sqlserver2008..i can install sqlserver2008 without visual studio 2008 and work on it
What is a trace file?
