REAL JDBC type represents a "single precision" floating point number - Java

Q.  Java: In which the JDBC type represents a "single precision" floating point number that supports seven digits of mantissa?
- Published on 29 Jun 15

a. REAL
b. DOUBLE
c. FLOAT
d. INTEGER

ANSWER: REAL
 
The corresponding SQL type REAL is defined in SQL-92 and is widely, though not universally, supported by the major databases. The SQL-92 standard leaves the precision of REAL up to the implementation.

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