Is there any boolean type in Oracle databases?

Is there any boolean type in Oracle databases?

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oracle

What is the difference between varchar and varchar2 in Oracle?

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oracle

Boolean Field in Oracle

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oracle

What does it mean when the size of a VARCHAR2 in Oracle is declared as 1 byte?

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oracle

Workaround for ORA-00997: illegal use of LONG datatype

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oracle

What SQL data type does Oracle assign to "count(*)"?

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oracle

Is "NUMBER" and "NUMBER(*,0)" the same in Oracle?

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oracle

Mapping java.long to oracle.Number(14)

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oracle

What Java data type corresponds to the Oracle SQL data type NUMERIC?

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oracle

Concatenating numbers in virtual column expression throws ORA-12899: value too large for column

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oracle

Oracle equivalent of Java's Varargs

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oracle

What does precision and scale means in the Oracle NUMBER data type

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oracle

The differences between sys.col$ and sys.coltype$

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oracle

Oracle PL/SQL Datatype

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oracle

To which Java data types can I map TIMESTAMP WITH TIME ZONE or TIMESTAMP WITH LOCAL TIME ZONE?

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oracle