Updating multiple rows in sql server
Database administration expert Baya Dewald discusses improvements to Transact-SQL language in SQL Server 2008. City ORDER BY 3 DESC However, this result doesn't produce subtotals by each city and each province.
Product WHERE Product ID = 720), (SELECT List Price FROM Production.In this article, we'll continue our brief look at new and changed Transact-SQL functionality in SQL Server 2008. In part 1 of this series, we considered initializing and incrementing variables, merging multiple data sets into one, separating date and time values with new data types, and some new functions for dealing with date and time. DEFAULT Forces the Database Engine to insert the default value defined for a column.If a default does not exist for the column and the column allows null values, NULL is inserted. When specified in a table value constructor, DEFAULT is allowed only in an INSERT statement. The expression cannot contain an EXECUTE statement.Now we'll take a look at functions for grouping, as well as how to use table-valued parameters to pass multiple data rows to a stored procedure.
The table in the Adventure Works sample database reveals that persons reside in different cities within multiple states.
State Province ID GROUP BY City UNION ALL SELECT b. Statistics report for UNION ALL: Table 'Worktable'.
Scan count 2, logical reads 245, physical reads 6, read-ahead reads 240, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. Scan count 2, logical reads 7, physical reads 2, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. Scan count 0, logical reads 0, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0.
The following query shows the number of persons in each combination of city and state/province: SELECT b.
Name AS State Province, NULL AS City, COUNT(*) AS Number Of Addresses FROM Person.
Name UNION ALL SELECT NULL AS State Province, City, COUNT(*) AS Number Of Addresses FROM Person.