Vao Tsun

Vao Tsun has asked 7 questions and find answers to 253 problems.

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Vao Tsun questions

postgres: can I prepare unnamed statement from SQL
what permissions I need for aws ec2 wait
Amazon linux: No package pgbouncer available
wal_keep_segments why minimum, not maximum?

Vao Tsun answers

Postgresql: Is there a way to return both table data and output parameters from a stored procedure as in Microsoft SQL Server
How does the SQL length function handle unicode graphemes?
NodeJS and PostgreSQL function returns tuple, not row
Database design for a chat system
How to recover or recreate orginal Postgres database after dropping it?
PostgreSQL - return string when testing integer with case statement
Able to create postgres database in command line but not in bash script
convert a date string to datetime compatible to postgresql
Column sorting in PostgreSQL is different between macOS and Ubuntu using same collation
postgresql function - get number of rows affected by update query [duplicate]