What is a self join? Explain it with an example?
Answer Posted / mangi
answer 1 is wrong
Is This Answer Correct ? | 39 Yes | 16 No |
Post New Answer View All Answers
Any sample or model question of punjab national bank for deputy manger IT or any sample of PNB.any1 plz do send on
fact table and dimension table containg one to many relationship or many to one relastionship
To convert IDMS to DB2, how to deal with IDMS occurs and redefined clause?
When installing the datastage7.5x2 edtion iam getting aproblem i.e the cpu count is 2 but the cpu count in installation is one . how can i install in my p.c (system is dual core).
Explain the rollup operator?
What is database design and development?
What is the physical representation for a many-to-many relationship?
What are the types of database model?
How can you fix a poorly performing query?
What is an application role and explain a scenario when you would use one?
Explain about relational database management systems?
What is the maximum length of an extended property?
A) Which two are benefits of Teradata's support for ANSI Standard SQL? (Choose two.) 1.data is distributed automatically 2.queries get optimized to better plans 3.submit queries from other database systems 4.can interface with BI tools B) Which statement is true when comparing the advantages of third normal form to star schema? 1.Star schema tends to have fewer entities. 2.Star schema requires additional data storage. 3.Third normal form tends to have fewer entities. 4.Third normal form requires additional data storage. C)Which two sets of functions does the Parsing Engine (PE) perform? (Select two.) 1.sorting, formatting, and aggregating of the final answer set 2.flow control of the data to and from the participating tables 3.SQL statement interpretation, syntax validation, and semantic evaluation 4.dispatching the step execution sequence to the AMP via the BYNET D) Which two can be achieved with Teradata Active System Management (TASM)? (Choose two.) 1.disable hardware 2.react to hardware failure 3.influence response times 4.collect metadata E) Which three mechanisms can be used to ensure security within the Teradata Database? (Choose three.) 1.views 2.spool limits 3.roles 4.access rights 5.profiles
If a column is an image value type, how you can compare column values? How can you use this column in join clause?
Which four data types cannot be used as a return type from a user-defined function?