1. Difference b/w count(*) and count(1)
2. If a record is inserted in an table, the relevant MV should automatically be refreshed. How can it be done?
3. Why XML is used for any system to system communication
4. DELETE and TRUNCATE
5. Symantics
6. What do you exactly mean by rowid and rownum
7. How do you load data from file to table. Have you ever user SQL Loader.
2. If a record is inserted in an table, the relevant MV should automatically be refreshed. How can it be done?
3. Why XML is used for any system to system communication
4. DELETE and TRUNCATE
5. Symantics
6. What do you exactly mean by rowid and rownum
7. How do you load data from file to table. Have you ever user SQL Loader.
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