–Add a column to an existing table ALTER TABLE dbo.EmployeeADD Active varchar(1)GO –Add default to new column ALTER TABLE dbo.EmployeeADD CONSTRAINT Employee_Active DEFAULT (‘N’) FOR ActiveGO
–List Column Names SELECT COLUMN_NAME, TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_CATALOG = ‘YOUR_DB_NAME’ –List Tables SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_CATALOG = ‘YOUR_DB_NAME’ –List Views SELECT * FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_CATALOG = ‘YOUR_DB_NAME’ –List All Columns in All Views SELECT *…
–String Value ALTER TABLE [Table1] ADD CONSTRAINT [Table1_Column1] DEFAULT (‘Not Applicable’) FOR [Column1] GO –Numeric Value ALTER TABLE [Table1] ADD CONSTRAINT [Table1_Column1] DEFAULT ((0)) FOR [Column1] GO –Date Value ALTER TABLE [Table1] ADD CONSTRAINT [Table1_Column1] DEFAULT (((1)/(1))/(1900)) FOR [Column1] GO
The example below displays how to create a table using HTML and the <table> tag. The example below consists of the following elements: <table> This tag begins the table. border = “1” This attribute defines the width of the border.…
You can create a copy of a table using the SELECT INTO command. SELECT * INTO TABLE2 FROM TABLE1 You can also join two or more tables and create a new table from the joined tables. SELECT * INTO TABLE3…
select datepart(quarter,getdate()) –Get Week Day Numerical value, Sunday = 1st day of week SELECT CASE WHEN datepart(weekday,getdate()) = 1 THEN ‘Sunday’ WHEN datepart(weekday,getdate()) = 2 THEN ‘Monday’ WHEN datepart(weekday,getdate()) = 3 THEN ‘Tuesday’ WHEN datepart(weekday,getdate()) = 4 THEN ‘Wednesday’…
Facebook recently changed the way you view photos. By default, when you click on a photo, the photo pop ups over the Facebook page. Previously, when you clicked on a photo, you would be directed to another Facebook page with…
–Date Difference Function –Number of days between two dates select datediff(day,getdate(),’09/01/2020′) –Number of months between two dates select datediff(month,getdate(),’09/01/2020′) –Number of years between two dates select datediff(year,getdate(),’09/01/2020′)
–Get Current Date and Time select getdate() –Date Format MMM DD YYYY select convert(nvarchar(12),getdate(),100) –Date Format MM/DD/YYYY select convert(nvarchar(10),getdate(),101) –Date Format YYYY.MM.DD select convert(nvarchar(10),getdate(),102) –Date Format DD/MM/YYYY select convert(nvarchar(10),getdate(),103) –Date Format DD.MM.YYYY select convert(nvarchar(10),getdate(),104) –Date Format DD-MM-YYYY select convert(nvarchar(10),getdate(),105) –Date…
Tech and Programming Tips 