NumParams *sizeof(SQLINTEGER)); SQLINTEGER * LenOrIndArray = (SQLINTEGER *)malloc(NumParams *sizeof(SQLINTEGER));for(i =0; i < NumParams; i++) {// Describe the parameter.SQLDescribeParam(hstmt, i +1, &DataType, &ParamSize, &DecimalDigits, &Nullable);// Call a helper fun...
SQL 复制 EXEC sp_describe_first_result_set @tsql = N' IF (@p > 0) EXECUTE AS USER = ''user1''; SELECT * FROM t1;', @params = N'@p int'; 此代码会导致错误 Invalid object name。 t1可以是,dbo.t1s1.t1也可以是具有不同数量的列。
{ DESC | DESCRIBE } FUNCTION [ EXTENDED ] function_name 參數 function_name 中繼存放區中現有函式的名稱。函式名稱可以選擇性地使用架構名稱來限定。 如果使用 function_name 架構限定,則函式會從使用者指定的架構解析,否則會從目前的架構解析。 例子 SQL 複製 -- Describe a builtin scalar function....
value IN (SELECT primary_key FROM single_table WHERE some_expr) unique_subquery is just an index lookup function that replaces the subquery completely for better efficiency. index_subquery This join type is similar to unique_subquery. It replaces IN subqueries, but it works for nonunique indexe...
The names of the DMVs are all prefixed with sys.dm_ followed by the functional area and then the specific function of the object. SQL Server supports three categories of DMVs: Database-related dynamic management objects Query execution related dynamic management objects T...
SQLSTATE=22001 1. 2. 3. 4. SQL0433N 即Db2的 -433 error,其具体解释如下: $ db2 ? sql433 SQL0433N Value "<value>" is too long. Explanation: The value "<value>" required truncation by a system (built-in) cast or adjustment function, which was called to transform the value in some...
Msg 11502, Level 16, State 2, Line 28The type for parameter '@p1' cannot be deduced in this context. Note This issue also occurs in SQL Server 2014.ResolutionCumulative Update informationThe issue was first fixed in the following cumulative update of SQL Server. Cumulative...
formal_parameter_namesysnameIf the parameter is an argument to a stored procedure or a user-defined function, returns the name of the corresponding formal parameter. Otherwise returnsNULL. Nullable. suggested_tds_type_idintFor internal use. Not nullable. ...
FIX: sp_describe_parameter_encryption returns different results if you switch parameter positions in SQL Server 2017 and 2019
In this article Syntax Arguments Table Returned Remarks Show 3 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance This dynamic management function takes an@object_idas a parameter and describes the first result metadata for the module with that ID. The@object_idspecified ca...