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| CHARACTER(n) CHAR(n) | n . 255 |
| DATE, TIME, TIMESTAMP | , |
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| INTEGER INT | 2147483648 2147483647 |
| SMALLINT | 32768 32767 |
| FLOAT[(n)] | , . n , |
| REAL | -3.40282338 3.40382338 |
| DOUBLE PRECISION | -1.79769313486232308 1.797....308 |
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