What is the maximum size of VARCHAR2 in Oracle 11g?
1 to 4000 bytes
To store variable-length character strings, you use the Oracle VARCHAR2 data type. A VARCHAR2 column can store a value that ranges from 1 to 4000 bytes. It means that for a single-byte character set, you can store up to 4000 characters in a VARCHAR2 column.
What is the maximum length for VARCHAR2?
32672 BYTE
The maximum length for VARCHAR2 is 32672 BYTE or 8168 CHAR which is the same as the maximum length for VARCHAR of 32672 OCTETS or 8168 CODEUNITS32.
How many bytes can be stored by VARCHAR2?
4000 bytes
VARCHAR can store up to 2000 bytes of characters while VARCHAR2 can store up to 4000 bytes of characters.
What is maximum length of CLOB in Oracle?
Datatype Limits
Datatypes | Limit |
---|---|
CLOB | Maximum size: (4 GB – 1) * DB_BLOCK_SIZE initialization parameter (8 TB to 128 TB) |
Literals (characters or numbers in SQL or PL/SQL) | Maximum size: 4000 characters |
LONG | Maximum size: 2 GB – 1 |
NCHAR | Maximum size: 2000 bytes |
What’s the maximum size for VARCHAR2 in Oracle?
Oracle uses the MAX_STRING_SIZE parameter for controlling the maximum size. If the MAX_STRING_SIZE is STANDARD, then the maximum size for VARCHAR2 is 4000 bytes. In case, the MAX_STRING_SIZE is EXTENDED, the size limit for VARCHAR2 is 32767.
What’s the maximum size of a string in Oracle?
-999… (38 9’s) x10 125 minimum value Maximum size: 4000 bytes, or 32767 bytes if the MAX_STRING_SIZE initialization parameter is set to EXTENDED The absolute maximum number of columns in a table is 1000.
How big is a long column in Oracle?
Only one LONG column is allowed per table. Maximum size: 4000 bytes, or 32767 bytes if the MAX_STRING_SIZE initialization parameter is set to EXTENDED The number of LOB columns per table is limited only by the maximum number of columns per table (that is, 1000 Foot 1 ).
What’s the maximum size of a variable length string?
Variable-length character string having maximum length size bytes or characters. Maximum size is 4000 bytes or characters, and minimum is 1 byte or 1 character. You must specify size for VARCHAR2.