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SQL Server – Add Column Script

–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┬áDEFAULT (‘N’) FOR ActiveGO Advertisements

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Posted in Visual Studio Code Examples

SQL Server List Tables And Columns

–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 *

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Posted in SQL Server

SQL Server Add Default To Existing Table

–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

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Posted in SQL Server

Create a Table From a SQL Statement

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

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Posted in SQL Server

SQL Server Date Formatting and Date Examples

–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

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Posted in SQL Server

SQL – Select Top N From

Select Top N from SQL Server Oracle RowNum pseudocolumn. SQL Server and Oracle allow you to run a Select Statement, but limit the number of rows returned. This is very useful if you just need to see a snapshot of

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Posted in Oracle, SQL Server

SQL – Replace Statement

REPLACE STATEMENT The Replace Statement replaces all instances of a specified string value with a new value. Syntax: REPLACE(Field Name, Search String, New String) SQL Server: SELECT REPLACE(FIELD1,’/’,’-‘) FROM TABLE Oracle: SELECT REPLACE(FIELD1,’/’,’-‘) FROM TABLE;  

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Posted in Oracle, SQL Server