Question: What Are The Data Types In PL SQL?

What is the range of Number data type in PL SQL?

PL/SQL Numeric Data Types and SubtypesS.NoData Type & Description1PLS_INTEGER Signed integer in range -2,147,483,648 through 2,147,483,647, represented in 32 bits2BINARY_INTEGER Signed integer in range -2,147,483,648 through 2,147,483,647, represented in 32 bits12 more rows.

Which identifier is valid in PL SQL?

The name of a PL/SQL variable consists of a letter optionally followed by more letters, numerals, dollar signs, underscores, and number signs and should not exceed 30 characters. By default, variable names are not case-sensitive. You cannot use a reserved PL/SQL keyword as a variable name.

What is Number data type?

Numeric data types are numbers stored in database columns. These data types are typically grouped by: Exact numeric types, values where the precision and scale need to be preserved. The exact numeric types are INTEGER , BIGINT , DECIMAL , NUMERIC , NUMBER , and MONEY .

What is composite data type in PL SQL?

PL/SQL composite data types. Composite types have internal components that can be manipulated individually, such as the elements of an array, record, or table. Oracle TimesTen In-Memory Database supports the following composite data types: Associative array (index-by table)

Which datatype is not allowed in the definition of PL SQL record?

A Collection datatype is not allowed in the definition of PL/SQL record. 18. PL/SQL has two types of subprograms, procedures and functions.

What are the data types in Oracle?

Oracle supplies the following built-in datatypes:character datatypes. CHAR. NCHAR. VARCHAR2 and VARCHAR. NVARCHAR2. CLOB. NCLOB. LONG.NUMBER datatype.DATE datatype.binary datatypes. BLOB. BFILE. RAW. LONG RAW.

What is PL SQL collection?

A collection is an ordered group of elements having the same data type. Each element is identified by a unique subscript that represents its position in the collection. PL/SQL provides three collection types − Index-by tables or Associative array.

What are the features of PL SQL?

Features of PL/SQLPL/SQL is tightly integrated with SQL.It offers extensive error checking.It offers numerous data types.It offers a variety of programming structures.It supports structured programming through functions and procedures.It supports object-oriented programming.More items…

Is text a data type?

The TEXT data type stores any kind of text data. It can contain both single-byte and multibyte characters that the locale supports. The term simple large object refers to an instance of a TEXT or BYTE data type.

What are the 5 main data types?

Most modern computer languages recognize five basic categories of data types: Integral, Floating Point, Character, Character String, and composite types, with various specific subtypes defined within each broad category.

What is PL SQL variable?

In PL/SQL, a variable is named storage location that stores a value of a particular data type. The value of the variable changes through the program. Before using a variable, you must declare it in the declaration section of a block.

Is record in PL SQL?

Records are composed of a group of fields, similar to the columns in a row. The %ROWTYPE attribute lets you declare a PL/SQL record that represents a row in a database table, without listing all the columns. Your code keeps working even after columns are added to the table.