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?
518What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?
579On 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?
548Post New DB Development Questions
Explain the rollup operator?
Which four data types cannot be used as a return type from a user-defined function?
Explain about xml databases?
Explain the process of the user request and data generating?
What is the physical representation for a many-to-many relationship?
What are the main phases of database development?
How to customize error conditions.
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?
I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS
Can an extended stored procedure be called from inside a user-defined function?
Any sample or model question of punjab national bank for deputy manger IT or any sample of PNB.any1 plz do send on
Why does this query return 0?
Explain about the database management systems.
In which table collections errors are stored.
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
