index 79ec889a1687a8e7006b344f8c78f481696d12f1..165e820bbb4217ab6f76c9cda04c6f79883ee05a 100644 (file)
Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Sun Jan 12 00:16:01 EST 2003
+ Last updated: Sun Jan 12 09:58:38 EST 2003
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -839,9 +839,10 @@ BYTEA bytea variable-length byte array (null-byte safe)
maximum 1 gigabyte.
CHAR(n) is for storing strings that are all the same length. CHAR(n)
- stores trailing spaces, while VARCHAR(n) trims them. BYTEA is for
- storing binary data, particularly values that include NULL bytes.
- These types have similar performance characteristics.
+ pads with blanks to the specified length, while VARCHAR(n) only stores
+ the characters supplied. BYTEA is for storing binary data,
+ particularly values that include NULL bytes. These types have similar
+ performance characteristics.
4.15.1) How do I create a serial/auto-incrementing field?