Aug 12 2009 in Interviews

Oracle Interview Questions – Part G





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  • Are there any troubleshooting tips for OEM? (for DBA)
  • Can 2 functions have same name & input parameters but differ only by return datatype ?
  • Can functions be overloaded ?
  • Can one export a subset of a table? (for DBA)
  • Can one import tables to a different tablespace? (for DBA)
  • Can one improve the performance of SQL*Loader? (for DBA)
  • Can one load data into multiple tables at once? (for DBA)
  • Can one load variable and fix length data records? (for DBA)
  • Can one modify data as it loads into the database? (for DBA)
  • Can one monitor how fast a table is imported? (for DBA)
  • Can one selectively load only the records that one need? (for DBA)
  • Can one skip certain columns while loading data? (for DBA)
  • Can one write scripts to send alert messages to the console?
  • Can we define exceptions twice in same block ?
  • Can you call a stored function in the constraint of a table ?
  • Can you have two functions with the same name in a PL/SQL block ?
  • Can you have two stored functions with the same name ?
  • Can you pass parameters in packages ? How ?
  • Difference between SUBSTR and INSTR ?
  • ere can one get more information about TCL? (for DBA)
  • Explain UNION,MINUS,UNION ALL, INTERSECT ?
  • How can a cross product be created?
  • How can get SQL*Loader to COMMIT only at the end of the load file? (for DBA)
  • How does one backout events and jobs during maintenance slots? (for DBA)
  • How does one load multi-line records? (for DBA)
  • How does one start the Oracle Intelligent Agent? (for DBA)
  • How does one use SQL*Loader to load images, sound clips and documents? (for DBA)
  • How does one use the import/export utilities? (for DBA)
  • How does one use the SQL*Loader utility? (for DBA)
  • How is possible to restrict the user to a list of values while entering values for parameters?
  • Is there a SQL*Unloader to download data to a flat file? (for DBA)
  • Should the OEM Console be displayed at all times (when there are scheduled jobs)? (for DBA)
  • What are the constructs of a procedure, function or a package ?
  • What are the parts of a database trigger ?
  • What are the pre requisites ?
  • What are the triggers available in the reports?
  • What are the two ways to incorporate images into a oracle forms application?
  • What are the types of SQL Statement ?
  • What are the types of visual attribute settings?
  • What are the various types of database triggers ?
  • What are the various types of Exceptions ?
  • What are the various types of parameter modes in a procedure ?
  • What do you mean by a block in forms4.0?
  • What is a display item?
  • What is import/export and why does one need it? (for DBA)
  • What is Over Loading and what are its restrictions ?
  • What is SQL*Loader and what is it used for? (for DBA)
  • What is the difference between a procedure and a function ?
  • What is the difference between boiler plat images and image items?
  • What is the difference between the conventional and direct path loader? (for DBA)
  • What is the Oracle Intelligent Agent? (for DBA)
  • What kind of jobs can one schedule with OEM? (for DBA)
  • Why Create or Replace and not Drop and recreate procedures ?
  • Why is a Where clause faster than a group filter or a format trigger?
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