Please help me answer these three questions regarding Oracle database.  All are T or F.  Explanation is much appreciated as well. Group functions do ignore NULL values Multiple row functions works on each records one by one and they return one result per each record Multiple row functions works on group of records all at once but they also return one result per each data set

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Intermediate SQL Concepts

A query is a request for data or information from one or more database tables. This information could be presented in the form of pictorials, graphs, or complicated findings which helps in easy interpretation. Structured Query Language (SQL) is the most widely used programming language for retrieving and organizing data from relational databases. Collection of tables with rows and columns is referred to as a database. SQL is the language of databases. It makes it easier to extract specific data from databases, which can then be used for analysis.