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 …
sql - Exclude a column using SELECT * [except columnA] FROM …
FROM TableA This very powerful SQL syntax avoids a long list of columns that must be constantly updated due to table column name changes. This functionality is missing in the …
sql server - SQL : BETWEEN vs <= and >= - Stack Overflow
In SQL Server 2000 and 2005: what is the difference between these two WHERE clauses? which one I should use on which scenarios? Query 1: SELECT EventId, EventName FROM …
sql - Incorrect syntax near '' - Stack Overflow
I'm trying to run the following fairly simple query in SQL Server Management Studio: SELECT TOP 1000 * FROM master.sys.procedures as procs left join master.sys.parameters as params …
sql - ORA-00904: invalid identifier - Stack Overflow
2011年5月17日 · SQL> Oracle SQL allows us to ignore the case of database object names provided we either create them with names all in upper case, or without using double quotes.
SQL Server® 2016, 2017, 2019 and 2022 Express full download
2017年1月25日 · All previous version of SQL Server Express were available in both web and full downloads. But I cannot find full download of SQL Server® 2016 Express. Does it exist? …
How do I perform an IF...THEN in an SQL SELECT?
2008年9月15日 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 …
sql - Access the "previous row" value in a SELECT statement - Stack ...
SQL has no built in notion of order, so you need to order by some column for this to be meaningful. Something like this: select t1.value - t2.value from table t1, table t2 where …
How to fix Recovery Pending State in SQL Server Database?
2018年9月14日 · Rename the DB and the Log files (Database Properties -> Files) In the Object Explorer window in SQL Management Studio, refresh the 'Databases Folder', if you see that …
sql - Must declare the scalar variable - Stack Overflow
@RowFrom int @RowTo int are both Global Input Params for the Stored Procedure, and since I am compiling the SQL query inside the Stored Procedure with T-SQL then using …