Query Notes

August 11, 2009 at 7:52 am (SQL) (, )

mengganti isi null dengan karakter lain

ISNULL ( check_expression , replacement_value )

mendapatkan panjang karakter dari suatu cell

LEN(column_name)

memotong string

SUBSTRING(column_name,  character_position,  LEN(column_name)

mengganti tipe data

cast( expression as data_type[ (length ) ])

mengganti nama table

EXEC sp_rename ‘old_table_name’, ‘new_table_name’;

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