Syntax
constants group ColumnValue;
Description
determines whether a column allows SQL NULL values or not.
Constants Summary
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NO_NULLS |
indicates that a column does not allow NULL values.
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NULLABLE |
indicates that a column does allow NULL values.
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NULLABLE_UNKNOWN |
indicates that the nullability of the column is unknown.
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Field Details
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Syntax
const long NO_NULLS = 0;
Description
indicates that a column does not allow NULL values.
Syntax
const long NULLABLE = 1;
Description
indicates that a column does allow NULL values.
Syntax
const long NULLABLE_UNKNOWN = 2;
Description
indicates that the nullability of the column is unknown.
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