Oracle Database SQL 12c 1z0-071 Exam Practice Test 2

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MOD : returns the quotient of a division.
TRUNC : can be used with NUMBER and DATE values.
CONCAT : can be used to combine any number of values.
SYSDATE : returns the database server current date and time.
INSTR : can be used to find only the first occurrence of a character in a string.
TRIM : can be used to remove all the occurrences of a character from a string.

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