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Update FAQ.

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Bruce Momjian
2002-02-12 17:18:10 +00:00
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Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Tue Feb 12 12:14:52 EST 2002
Last updated: Tue Feb 12 12:18:09 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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4.15.3) Don't currval() and nextval() lead to a race condition with
other users?
4.15.4) Why aren't my sequence numbers reused on transaction abort?
Why are there gaps in the numbers of my sequence/SERIAL column?
Why are there gaps in the numbering of my sequence/SERIAL column?
4.16) What is an OID? What is a TID?
4.17) What is the meaning of some of the terms used in PostgreSQL?
4.18) Why do I get the error "ERROR: Memory exhausted in
@ -866,10 +866,10 @@ BYTEA bytea variable-length byte array (null-byte safe)
by all users.
4.15.4) Why aren't my sequence numbers reused on transaction abort? Why are
there gaps in the numbers of my sequence/SERIAL column?
there gaps in the numbering of my sequence/SERIAL column?
To improve concurrency, sequence values are given out to running
transactions as needed and are now locked until the transaction
transactions as needed and are not locked until the transaction
completes. This causes gaps in numbering from aborted transactions.
4.16) What is an OID? What is a TID?