| CHARACTER(n): 1 - 64,000 Bytes Fixed (All Platforms) | ||
|---|---|---|
| Byte 1 | … | Byte 64,000 |
| 1 — 64,000 | ||
| VARCHAR(n): 1 - 64 000 Bytes Variable (All Platforms) | |||
|---|---|---|---|
| Byte 1 | Byte 2 | … | Byte 64,000 |
| Column offset | 1 — 64,000 | ||
| LONG VARCHAR: 1 - 64,000 Bytes Fixed (equivalent to VARCHAR(64000) (All Platforms) | |||
|---|---|---|---|
| Byte 1 | Byte 2 | … | Byte 64,000 |
| Column offset | 1 — 64,000 | ||
| CLOB(n): 8 bytes - 2 097 088 000 bytes Variable (All Platforms) | |||||
|---|---|---|---|---|---|
| Chunk | Bytes 1 - 8 | … | Byte 64,000 | ||
| 1 | length | 1 — 64,000 | |||
| … | length | 1 — 64,000 | |||
| m | length | 1 — n If a CLOB is composed of Unicode characters, its upper limit is 1,048,544,000 bytes. In both cases, the maximum supported size is slightly less than 2 GB or 1 GB, respectively. |
|||
| CHARACTER(n) CHARACTER SET GRAPHIC: 1 - 32,000 Bytes Fixed (All Platforms) | ||
|---|---|---|
| Byte 1 | … | Byte 32,000 |
| 1 — 32,000 | ||
| VARCHAR(n) CHARACTER SET GRAPHIC: 1 - 32,000 Bytes Variable (All Platforms) | |||
|---|---|---|---|
| Byte 1 | Byte 2 | … | Byte 32,000 |
| Column Offset | 1 — 32,000 | ||
| LONG VARCHAR CHARACTER SET GRAPHIC: 32,000 Bytes Fixed (equivalent to VARCHAR(n) CHARACTER SET GRAPHIC (32000) (All Platforms) | |||
|---|---|---|---|
| Byte 1 | Byte 2 | … | Byte 32,000 |
| Column Offset | 1 — 32,000 | ||
The following table indicates the alignment requirements for the character data types and their respective sizes on packed64 and aligned row format platforms.
| Data Type | Packed64 Size (bytes) |
Aligned Row Size (bytes) |
Allocated Aligned Row Size (bytes) |
|---|---|---|---|
| CHARACTER(n) CHARACTER SET LATIN | n | 1 | n |
| CHARACTER(n) CHARACTER SET KANJI | |||
| CHARACTER(n) CHARACTER SET UNICODE | 2n | 2 | 2n |
| CHARACTER(n) CHARACTER SET GRAPHIC | |||
| VARCHAR(n) CHARACTER SET LATIN | n | 1 | n |
| VARCHAR(n) CHARACTER SET UNICODE | ≤ 2n | 1 | ≤ 2n |
| VARCHAR(n) CHARACTER SET GRAPHIC | |||
| VARCHAR(n) CHARACTER SET KANJI | ≤ n | 1 | n |
| LONG VARCHAR CHARACTER SET LATIN | 64,000 | 1 | 64,000 |
| LONG VARCHAR CHARACTER SET KANJI1 | |||
| LONG VARCHAR CHARACTER SET UNICODE | 32,000 | 32,000 | |
| LONG VARCHAR CHARACTER SET GRAPHIC | |||
| LONG VARCHAR CHARACTER SET KANJISJIS | |||
| CLOB(n) CHARACTER SET LATIN | n | 1 | n |
| CLOB(n) CHARACTER SET UNICODE | ≤ 2n | 2 | ≤ ≤ 2n |