What is one of the main purposes of the data dictionary? Mark for review (1) points to translate data from one language to another to prevent users from accidentally dropping tables to provide a list of all objects in your schema, but not in other users' schemas to ensure correct spelling of the values in varchar2 table columns to provide a structured list of all objects in the database
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Answer:
Some schema objects are made up of parts that you can or must name, such as the columns in a table or view, index and table partitions and subpartitions, integrity constraints on a table, and objects that are stored within a package, including procedures and stored functions. This section provides:
Rules for naming schema objects and schema object location qualifiers
Guidelines for naming schema objects and qualifiers
Schema Object Naming Rules
Every database object has a name. In a SQL statement, you represent the name of an object with a quoted identifier or a nonquoted identifier.
A quoted identifier begins and ends with double quotation marks ("). If you name a schema object using a quoted identifier, then you must use the double quotation marks whenever you refer to that object.
A nonquoted identifier is not surrounded by any punctuation.