SQL asterisk(*) all possible uses - Stack Overflow
2020年4月13日 · It is used in sql-server for xml. In the code below, aliasing the subquery as ' [*]' means that COLUMN_NAME and DATA_TYPE xml nodes output on the same level as …
sql - NOT IN vs NOT EXISTS - Stack Overflow
Which of these queries is the faster? NOT EXISTS: SELECT ProductID, ProductName FROM Northwind..Products p WHERE NOT EXISTS ( SELECT 1 FROM Northwind..[Order Details] …
What does <> (angle brackets) mean in MS-SQL Server?
2013年11月8日 · In My Query one place some other developer using <> (angle brackets) What does it mean ?
What is the use of the square brackets [] in sql statements?
The Microsoft book for SQL course says "You should use two-part names to refer to tables in SQL Server databases, such as Sales.Customer" so they don't ask to surround namespace with …
SQL: IF clause within WHERE clause - Stack Overflow
2008年9月18日 · Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE …
How do I perform an IF...THEN in an SQL SELECT?
2008年9月15日 · 2059 The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
sql - Find all tables containing column with specified name - Stack ...
@Revious INFORMATION_SCHEMA views included in SQL Server comply with the ISO standard definition for the INFORMATION_SCHEMA., sys.columns, sys.tables is Microsoft Sql Server …
sql - Exclude a column using SELECT * [except columnA] FROM …
We all know that to select all columns from a table, we can use SELECT * FROM tableA Is there a way to exclude column(s) from a table without specifying all the columns? SELECT * [except …
How to select unique records by SQL - Stack Overflow
How to select unique records by SQL Asked 16 years ago Modified 1 year, 10 months ago Viewed 746k times
How can I do an UPDATE statement with JOIN in SQL Server?
This was an example, but the point is as Eric said in How can I do an UPDATE statement with JOIN in SQL Server?. You need to add an UPDATE statement at first with the full address of …