For example2: Create function函数名(参数) Returns返回值数据类型 [with {Encryption | Schemabinding }] [as] begin SQL语句(必须有return变量或值) End Schemabinding :将函数绑定到它引用的对象上(注:函数一旦绑定,则不能删除、修改,除非删除绑定) Create function AvgResult(@scode varchar(10)) Returns rea...
-- Register the function (xp_hello)sp_addextendedproc 'xp_hello', 'c:\xp_hello.dll';-- The following example results in an errorDECLARE@txtVARCHAR(33); EXEC xp_HELLO @txt OUTPUT; 下面是错误消息: 输出 Server: Msg 2812, Level 16, State 62, Line 1 ...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of ...
Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of ...
FUNCTION add_dept(dept_no NUMBER, dept_name VARCHAR2) -- 声明函数 RETURN NUMBER; PROCEDURE query_dept(dept_no IN NUMBER); -- 声明存储过程 END demo_pack; 1. 2. 3. 4. 5. 6. 7. 8. 包主体: -- demo_pack 包主体: CREATE OR REPLACE PACKAGE BODY demo_pack ...
CREATE FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ = default ] } [ ,...n ] ] ) RETURNS @return_variable TABLE < table_type_definition > [ WITH <function_option> [ ,...n ] ] ...
(2) SQL Server中,如何把ASCII码组合成汉字,就是把高字节和底字节分别转成字符再拼接起来。如char(210)+char(166)就是姚这个汉字。 再明确了上面的技术细节后,接下来就可以解决问题了。我通过编写一个函数来解决问题。 create function fn_TruncSemiHanzi(@str varchar(4000)) ...
SQL>setserverout onSQL>DECLARE2gradeCHAR(1):='B';3appraisalVARCHAR2(20);4BEGIN5appraisal:=6CASEgrade7WHEN'A'THEN'Excellent'8WHEN'B'THEN'Very Good'9WHEN'C'THEN'Good'10WHEN'D'THEN'Fair'11WHEN'F'THEN'Poor'12ELSE'No such grade'13END;14DBMS_OUTPUT.PUT_LINE('Grade '||grade||' is ...
如果在 RETURNS NULL ON NULL INPUT CLR 函数中指定,则指示 SQL Server 可以在接收NULL的任何参数时返回NULL,而无需实际调用函数的主体。 如果指定的 <method_specifier> CLR 函数的方法已具有指示 RETURNS NULL ON NULL INPUT的自定义属性,但 CREATE FUNCTION 该语句指示 CALLED ON NULL INPUT,该 CREATE FUNCTION...
SQL Server to get the source data. objConn.Open "provider=SQLOLEDB;server=(local);database=tempdb;integrated security=SSPI" Set objCmd.ActiveConnection = objConn objCmd.CommandText = "SELECT CustomerID, CompanyName, City FROM Customers FOR XML AUTO, ELEMENTS" ' Open the return stream and ...