What Are the Oracle Built-in Data Types

Home > Oracle > SQL

Q

What Are the Oracle Built-in Data Types? - Oracle DBA FAQ - Understanding SQL Basics

✍: FYIcenter.com

A

There are 20 Oracle built-in data types, divided into 6 groups:

Character Datatypes - CHAR, NCHAR, NVARCHAR2, VARCHAR2
Number Datatypes - NUMBER, BINARY_FLOAT, BINARY_DOUBLE
Long and Row Datatypes - LONG, LONG RAW, RAW
Datetime Datatypes - DATE, TIMESTAMP, INTERVAL YEAR TO MONTH, INTERVAL DAY TO SECOND
Large Object Datatypes - BLOB, CLOB, NCLOB, BFILE
Row ID Datatypes - ROWID, UROWID

2007-04-24, 5314👍, 0💬

What Are the Differences between CHAR and NCHAR
What Are the Differences between CHAR and NCHAR? - Oracle DBA FAQ - Understanding SQL Basics Both CHAR and NCHAR are fixed length character data types. But they have the following differences: CHAR's size is specified in bytes by default. NCHAR's size is specified in characters by default. A charact... 2016-06-25, 6647👍, 0💬

What Is the Scope of a Local Variable
What Is the Scope of a Local Variable? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions The scope of a variable can be described with these rules: A variable is valid within the procedure or function where it is defined. A variable is also valid inside a sub procedure or function... 2007-04-21, 5974👍, 0💬

How To Define Default Values for Formal Parameters
How To Define Default Values for Formal Parameters? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions If you have an IN parameter, you can make it as an optional parameter for the calling statement by defining the formal parameter with the DEFAULT clause. This gives you the freedo... 2007-04-21, 5646👍, 0💬

What Are the Differences between NUMBER and BINARY_FLOAT
What Are the Differences between NUMBER and BINARY_FLOAT? - Oracle DBA FAQ - Understanding SQL Basics The main differences between NUMBER and BINARY_FLOAT are: NUMBER stores values as fixed-point numbers using 1 to 22 bytes. BINARY_FLOAT stores values as single precision floating-point numbers. 2007-04-24, 5529👍, 0💬

What Are the Differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND
What Are the Differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND? - Oracle DBA FAQ - Understanding SQL Basics The main differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND are: INTERVAL YEAR TO MONTH stores values as time intervals at the month level. INTERVAL DAY ... 2007-04-24, 5521👍, 0💬

What Are the Oracle Built-in Data Types
What Are the Oracle Built-in Data Types? - Oracle DBA FAQ - Understanding SQL Basics There are 20 Oracle built-in data types, divided into 6 groups: Character Datatypes - CHAR, NCHAR, NVARCHAR2, VARCHAR2 Number Datatypes - NUMBER, BINARY_FLOAT, BINARY_DOUBLE Long and Row Datatypes - LONG, LONG RAW, ... 2007-04-24, 5315👍, 0💬

What Are the Differences between DATE and TIMESTAMP
What Are the Differences between DATE and TIMESTAMP? - Oracle DBA FAQ - Understanding SQL Basics The main differences between DATE and TIMESTAMP are: DATE stores values as century, year, month, date, hour, minute, and second. TIMESTAMP stores values as year, month, day, hour, minute, second, and fra... 2007-04-24, 5242👍, 0💬

What Is SQL
What Is SQL? - Oracle DBA FAQ - Understanding SQL Basics SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation. 2007-04-24, 5207👍, 0💬

How Many Categories of Data Types
How Many Categories of Data Types? - Oracle DBA FAQ - Understanding SQL Basics Oracles supports the following categories of data types: Oracle Built-in Datatypes. ANSI, DB2, and SQL/DS Datatypes. User-Defined Types. Oracle-Supplied Types. 2007-04-24, 5057👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.