Answer Posted / anjali
normalization is to crystalizing the table into small
tables to avoid the redundancy. splitting table into small
ones.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
You are testing the performance of a query the first time you run the query, the performance is slow. the second time you run the query, the performance is fast. why is this?
Write the fastest query to find out how many rows exist in a table?
I have a few records all are same structures data, I want to store data in multiple targets how
Who are naive users?
How to use timestamp datatypes
What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?
What is the maximum length of an extended property?
You have two tables with a one to many join based on a field named id. You need to find records in the parent table that are not represented in the child table. how would you accomplish this?
If a column is an image value type, how you can compare column values? How can you use this column in join clause?
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
How is data stored in dbms?
Does QTP Support the Propjects which are running in Dot Net? As we are starting with new project in Dot net need to use automation tool?Please advice & let me know what would be the best.
1. Using the XML Document below, with the URI “recipe.xml”
define
the following queries in XQuery:
a.) Give the names of all breakfast in the menu.
b.) Select breakfasts that have price lower than $7.00?
You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?
Pgm A calls Pgm B and pgm B uses cursor, when pgm B is called second time, the program is abending saying the cursor is opened? Why?