CREATE FUNCTION dbo.ISOweek (@DATE DATETIME) RETURNS INT WITH EXECUTE AS CALLER AS BEGIN DECLARE @ISOweek INT; SET @ISOweek = DATEPART(wk, @DATE) + 1 - DATEPART(wk, CAST(DATEPART(yy, @DATE) AS CHAR(4)) + '0104'); --Special cases: Jan 1-3 may belong to the previous year IF...
The string can have a maximum of 255 characters. NAME = { backup_set_name | @backup_set_var } Specifies the name of the backup set. Names can have a maximum of 128 characters. If NAME is not specified, it is blank. { EXPIREDATE ='date' | RETAINDAYS = days } Specifies when the ...
Create a new database from existing mdf file. Create a percentage from two SUM values Create a query to remove last two characters of a string Create a view and change the data types of some variables Create a writable view in SQL DB create an index on just the date part of a datetime...
During an insert operation, variables with a data type of uniqueidentifier and string constants in the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx (36 characters including hyphens, where x is a hexadecimal digit in the range 0-9 or a-f) can be used for uniqueidentifier columns. For example, ...
CREATE FUNCTION dbo.ISOweek (@DATE DATETIME) RETURNS INT WITH EXECUTE AS CALLER AS BEGIN DECLARE @ISOweek INT; SET @ISOweek = DATEPART(wk, @DATE) + 1 - DATEPART(wk, CAST(DATEPART(yy, @DATE) AS CHAR(4)) + '0104'); --Special cases: Jan 1-3 may belong to the previous year IF...
def validate_phone(target, value, oldvalue, initiator): """Strip non-numeric characters from a phone number""" return re.sub(r"\D", "", value) # setup listener on UserContact.phone attribute, instructing # it to use the return value listen(UserContact.phone, "set", validate_phone, ...
Remove all tuples from the student relation delete fromstudent Drop Table drop tabler Alter alter tablerdropA D where A is the name of an attribute of relation r and D is the domain of A. All exiting tuples in the relation are assigned null as the value for the new attribute....
Back up your databaseAlthough the Upsizing Wizard doesn't remove any data or database objects from your Access database, it's a good idea to create a backup copy of your Access database before you upsize it. Ensure you have adequate disk spaceYou m...
For string data types, useXXXX(or fewer) if the size of the field is fewer than 4 characters (char,nchar,varchar,nvarchar,text,ntext). For numeric data types use a zero value (bigint,bit,decimal,int,money,numeric,smallint,smallmoney,tinyint,float,real). ...
Is the name of the new database snapshot. Database snapshot names must be unique within an instance of SQL Server and comply with the rules for identifiers.database_snapshot_namecan be a maximum of 128 characters. ON ( NAME =logical_file_name, FILENAME ='os_file_name') [ ,...n]...