Database Interview Questions
21: Questions for a DBA interview
What is scrollable cursor?The use of HAVING, WHERE and GROUPBY in one SQL?What is SORTING and GROUPING?What are the different types of OUTER JOINS?Explain the UNION operation in SQL . What is meant by
22: DBA Interview Questions - Part 1
What is Log Switch? - The point at which ORACLE ends writing to one online redo log file and begins writing to another is called a log switch. What is On-line Redo Log? - The On-line Redo Log is a set
23: DBA Interview Questions - Part 2
What does ROLLBACK do? - ROLLBACK retracts any of the changes resulting from the SQL statements in the transaction. What is SAVE POINT? - For long transactions that contain
many SQL statements, interm
24: DBA Interview Questions - Part 3
What are the dictionary tables used to monitor a database spaces? - DBA_FREE_SPACE DBA_SEGMENTS DBA_DATA_FILES. What are the roles and user accounts created automatically with the database?
- DBA - ro
25: DBA Interview Questions - Part 4
Is the After report trigger fired if the report execution fails? - Yes. Does a Before form trigger fire when the parameter form is suppressed? - Yes. Is it possible to split the print reviewer into mo
26: DBA Interview Questions - Part 5
What is a timer? - Timer is an “internal time clock” that you can programmatically create to perform an action each time the times. What are the two phases of block coordination? - There are
two phase
27: DBA Interview Questions - Part 6
How do you call other Oracle Products from Oracle Forms? -
Run_product is a built-in, Used to invoke one of the supported oracle
tools products and specifies the name of the document or module to be
r
28: DBA Interview Questions - Part 7
What are the different default triggers created when Master Deletes Property is set to Non-isolated? - Master
Deletes Property Resulting Triggers: Non-Isolated (the default)
On-Check-Delete-Master On-
29: DBA Interview Questions - Part 8
What are different types of modules available in oracle form?
- Form module - a collection of objects and code routines Menu modules
- a collection of menus and menu item commands that together make u
30: DBA Interview Questions - Part 9
What are different types of images? - Boiler plate images, Image Items What is the difference between boiler plat images and image items?
- Boiler plate Images are static images (Either vector or bit
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