I think it's best highlighted with an example. If you feel you could write the following SQL statement quickly with little/no reference material, then I'd guess that you probably meet their Advanced SQL requirement: DECLARE @date DATETIME SELECT @date = '10/31/09' SELECT t1.EmpName, t1....
. LINQ-To-SQL, in particular, should be seen as a contrast to the traditional use of embedded SQL which suffers from what is often referred to as an "impedance mismatch" between the SQL programming and C#/VB programming. For a discussion of LINQ and its limitations, you may want to take...
Transact_SQL 游标是由DECLARE CURSOR 语法定义、主要用在Transact_SQL脚本、存储过程和触发器中。Transact_SQL 游标主要用在服务器上,由从客户端发送给服务器的Transact_SQL 语句或是批处理、存储过程、触发器中的Transact_SQL 进行管理。 Transact_SQL 游标不支持提取数据块或多行数据。 (2)API游标 API 游标支持在...
DECLARE @stackOrFrame xml = '' /* <--- insert <frames>..</frames> here */ ;WITH xmlShred AS ( SELECT COALESCE ( CONVERT(varbinary(64), f.n.value('.[1]/@handle', 'varchar(max)'), 1), CONVERT(varbinary(64), f.n.value('.[1]/@sqlhandle', 'varchar(max)'), 1) )...
DECLARE @cust XML; SET @cust = (SELECT * FROM Customers FOR XML AUTO, TYPE) CREATE TABLE T(i int, x XML) INSERT INTO T SELECT 1, (SELECT * FROM Customers FOR XML AUTO, TYPE) Nesting of FOR XML ExpressionsFOR XML, in SQL Server 2005, recognizes XML data type columns, and will ...
(if it shows up, then it is running) declare @object int SELECT @object=OBJECT_ID('DBO.PROCEDURE_TO_TEST') SELECT @OBJECT Select * from ( SELECT * FROM sys.dm_exec_requests where sql_handle is not null ) r CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) t w...
setting controls whether NULLs "Propogate" whn used in string expressions. When this setting is ON...
Can't add datetime column with default value in SQL Server 2005 Can't change the currente collate of my database Can't copy the result of a query? Can't declare table parameter as input to stored procedure Can't delete rows from Mgt Studio view Can't Enable Foreign Key Constraint...
whereFNameisnotnull; DECLARE@BackUpFileVarchar(500); OPENFileCursor FETCHNEXTFROMFileCursorINTO@BackUpFile SET@SQLStatement='exec master.dbo.xp_restore_database @database = ''dimension20'',' SET@SourceFiles='' WHILE@@FETCH_STATUS=0 BEGIN ...
“text is null” for the null check.) Next, I declare a function LocalIsPalindrome in which I compare the first and last characters recursively. The advantage of this approach is that I don’t declare the LocalIsPalindrome within the scope of the class where it can potentially be called...