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How to return default value when column value is null?
SELECT FlatId,COALESCE ( [dbo]. [Flat]. [FlatName],’Default Value When Null Encountered’) AS FlatName, FlatDescription FROM [dbo]. [Flat] Instead of returning default value, you can design your table to add default value if the value is not provided.
How to keep nulls or default values during bulk import?
Keep nulls or default values during bulk import (SQL Server) By default, when data is imported into a table, the bcp command and BULK INSERT statement observe any defaults that are defined for the columns in the table. For example, if there is a null field in a data file, the default value for the column is loaded instead.
Can a BCP command retain the null value?
The bcp command and BULK INSERT statement both allow you to specify that nulls values be retained. In contrast, a regular INSERT statement retains the null value instead of inserting a default value.
How to return a default value in SQL Server?
Select IsNull (YourColumn, defaultvalue) i.e. Select IsNull ( CandidateName , ”), -This is string column and return default value ” IsNull (CandidateSalaryExpected, 0), –This is Integer/Double/Numeric column and return default value 0 IsNull (MaritalStatus , 0) –0 – marital means unmarried, 1 means married. This is boolean value
How does group by clause work with NULL values?
We will use the following employee table to illustrate how the GROUP BY clause works with NULL values. The best way to learn SQL is through practice. Try out our interactive SQL Basics course. Let’s start by executing a simple SQL query with both the GROUP BY clause and NULL values: department 1. 2. IT 3. FINANCES
How to assign default value if no rows returned from a table?
Select isnull(cnt,0)as cnt from table1 where col_1 = ‘test’ and convert (varchar(10),date_col,111) = (select max (convert (varchar(10),date_col,111)) from ta… EXPLORE Tech Tech Home Big Data Cloud DevOps Infrastructure Innovation Mobility Operating Systems Programming Security Strategy ENTERPRISE SOFTWARE Applications Infor Oracle PeopleSoft SAP