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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?
961What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?
1012On friday, you issued several insert statements using query analyzer. You then verified the data had been correctly entered with a select statement on monday, your users report that the data is not there what happened?
999Post New DB Development Questions
On friday, you issued several insert statements using query analyzer. You then verified the data had been correctly entered with a select statement on monday, your users report that the data is not there what happened?
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.
What is an application role and explain a scenario when you would use one?
How can you fix a poorly performing query?
Explain the process of the user request and data generating?
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
What are the three basic rules which are to be followed for the relational model of the database?
In which table collections errors are stored.
Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in
If a column is an image value type, how you can compare column values? How can you use this column in join clause?
What are the constraints on severity level in raiseerror?
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?
Explain about relational database management systems?
Who are end users in dbms?
State the acid rules?
