Hello friends, I want to know what the data type can be declared in pl/sql, but cannot be declared in sql?
Hello friends, I want to know what the data type can be declared in pl/sql, but cannot be declared in sql?
Hello friends, I want to know what the data type can be declared in pl/sql, but cannot be declared in sql?
That question is ambiguous: there is NOT a SINGLE type of data that can be declared in pl/sql, but not in sql.
The Oracle documentaton is your friend.
The doc of the SQL language treats the SQL data types.
http://docs.Oracle.com/CD/B28359_01/server.111/b28318/datatype.htm
The doc PL/SQL does PL/SQL data types. Because PL/SQL is a language of proceedings (and sql is NOT) there are several types of data, as shown in this doc, PL/SQL-specific:
PL/SQL scalar data types are:
- SQL data types
BOOLEAN
PLS_INTEGER
BINARY_INTEGER
REF
CURSOR
explained in "Cursor Variables"- User-defined subtypes
ALWAYS start with the Oracle documentation for these fundamental questions.
Several times, as with this question, the question is too general to give a simple answer.
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