Skip to main content

Posts

Showing posts with the label SQL Interview

Oracle SQL Interview Questions Series 1 [Basic]

Oracle SQL Interview Questions Series - 1 Oracle SQL Interview Questions covered in Eduflee, so complete all the series to get placed into the IT company. At present Structured Query Language is very important to enter into the Software company. After completing all the Interview series, you can crack many interviews with 100% assurance from my experience. Basic Questions for SQL interview Schema => User Records => Rows Fields => Columns Result set => Output 1, What are the Schema Objects in Oracle SQL ?     Table, View, Materialized view, Sequence, Synonyms, Index are the schema objects in SQL.     Table => Basic Unit of Storage [Rows and Columns]     View => Logical Representation of subject of records, It does not contains any data. So here data is logical.     Materialized View =>   It contains the data, it is also called as Snapshot. It contains data physically.     Sequence => It is a Numeric Value Generator     Synonyms => used to provide alternate nam