#{茶男與藍牌} » SQL

SQLException for zero DATETIME or TIMESTAMP column? Use zeroDateTimeBehavior

茶男 — Fri, 03 Apr 2009 04:05:42 +0000

from http://ondra.zizka.cz/stranky/programovani/java/index.texy

When working with MySQL over JDBC and the driver encounters a zero DATE, TIME, or DATETIME value (that is, e.g, ‚0000–00–00‘ for DATE), an exception is thrown:

java.sql.SQLException: Cannot convert value '0000-00-00 00:00:00' from column 4 to TIMESTAMP.

In this case, using SQL commands like

SET GLOBAL sql_mode = 'NO_ZERO_DATE';

does not [...]

MySQL: Get Next Auto_increment

茶男 — Wed, 28 Jan 2009 13:04:37 +0000

from http://blog.jamiedoris.com/geek/560/ MySQL: Get Next Auto_increment Thursday April 24th, 2003

** It is not recommended to use this method for generating foreign keys for lookups. In a multiuser environment with simultaneous requests the results will be utterly useless and unreliable. OK? **

So I was working on the preview feature of the [...]

SQL Sample for MSSQL

茶男 — Tue, 04 Nov 2008 13:00:48 +0000

select * from SYSOBJECTS where TYPE = 'U' order by NAME

equals to the one in mysql

show tables

Or we can use sp_help, for exmple:

exec sp_help database_name

refer to http://msdn.microsoft.com/en-us/library/aa933429.aspx