phản hồi cho Seeking a humble career, facing a voodoo profession http://cfasky.wordpress.com A blog on finance and software development. There is no place for my true emotion Wed, 31 Dec 2008 13:57:38 +0000 http://wordpress.com/ hourly 1 Phản hồi cho How to decrease length of fixed width column in Oracle bởi Rohit http://cfasky.wordpress.com/2007/09/24/how-to-decrease-length-of-fixed-width-column-in-oracle/#comment-26 Rohit Wed, 31 Dec 2008 13:57:38 +0000 http://cfasky.wordpress.com/2007/09/24/how-to-decrease-length-of-fixed-width-column-in-oracle/#comment-26 I know this is an Old question. but...it may help someone. Oracle 10g Doc says "You can increase the length of an existing column, or decrease it, if all existing data satisfies the new length. You can change a column from byte semantics to CHAR semantics or vice versa. You must set the initialization parameter BLANK_TRIMMING=TRUE to decrease the length of a non-empty CHAR column." I know this is an Old question. but…it may help someone.

Oracle 10g Doc says

“You can increase the length of an existing column, or decrease it, if all existing data satisfies the new length. You can change a column from byte semantics to CHAR semantics or vice versa. You must set the initialization parameter BLANK_TRIMMING=TRUE to decrease the length of a non-empty CHAR column.”

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