SQLFetch 會從結果集擷取下一個數據列集,並傳回所有綁定數據行的數據。 語法 C++ 複製 SQLRETURN SQLFetch( SQLHSTMT StatementHandle); 引數 StatementHandle [輸入]語句句柄。 傳回 SQL_SUCCESS、SQL_SUCCESS_WITH_INFO、SQL_NO_DATA、SQL_STILL_EXECUTING、SQL_ERROR或SQL_INVALID_HANDLE。 診斷 當SQLFetch...
当SQLFetch返回SQL_ERROR或SQL_SUCCESS_WITH_INFO时,可以通过使用 handleTypeof SQL_HANDLE_STMT 和StatementHandle句柄调用SQLGetDiagRec 函数来获取关联的 SQLSTATE 值。 下表列出了 SQLFetch通常返回的 SQLSTATE 值,并解释此函数上下文中的每个值;表示法“(DM)”位于驱动程序管理器返回的 SQLSTATE 的说明之前。 除...
'Incorrect syntax near' error while executing dynamic sql 'INSERT EXEC' within a function did not work 'Sort' in exuction plan is showing more than 90 % cost, what to do? 'TRY_CONVERT' is not a recognized built-in function name 'VARCHAR' is not a recognized built-in function na...
SQLFetch Function Save Add to Collections Add to plan Share via Facebookx.comLinkedInEmail Print SQLFetch Function Article 10/18/2024 9 contributors Feedback In this article Syntax Arguments Returns Diagnostics Show 5 more Conformance Version Introduced: ODBC 1.0 Standards Compliance: ISO 92...
SQLFetch Function Save Add to Collections Add to plan Share via Facebookx.comLinkedInEmail Print SQLFetch Function Article 10/18/2024 9 contributors Feedback In this article Syntax Arguments Returns Diagnostics Show 5 more Conformance Version Introduced: ODBC 1.0 Standards Compliance: ISO 92...
Older Oracle Syntax: SELECTcolumn_name(s) FROMtable_name WHEREROWNUM <=number; Older Oracle Syntax (with ORDER BY): SELECT* FROM(SELECTcolumn_name(s)FROMtable_nameORDERBYcolumn_name(s)) WHEREROWNUM <=number; Demo Database Below is a selection from theCustomerstable used in the examples: ...
syntaxsql @@FETCH_STATUS 返回类型 integer 返回值 返回值说明 0FETCH 语句成功。 -1FETCH 语句失败或行不在结果集中。 -2提取的行不存在。 -9游标未执行提取操作。 注解 由于@@FETCH_STATUS对于在一个连接上的所有游标都是全局性的,所以要谨慎使用。 在执行一条 FETCH 语句后,必须在对另一游标执行另一 FET...
2.1.2.241 T522, Default values for IN parameters of SQL-invoked procedures 2.1.2.242 T551, Optional key words for default syntax 2.1.2.243 T561, Holdable locators 2.1.2.244 T571, Array-returning external SQL-invoked functions 2.1.2.245 T572, Multiset-returning external SQL-invoke...
Syntax FETCH [ direction { FROM | IN } ] cursor_name; Thedirectionclause specifies optional parameters. NEXT|PRIOR|FIRST|LAST|ABSOLUTEcount|RELATIVEcount|count|ALL|FORWARD|FORWARDcount|FORWARDALL|BACKWARD|BACKWARDcount|BACKWARDALL Parameter Description ...
The basic syntax for a FETCH statement is: FETCH cursor_name INTO<listof variables>; For example, you could have a cursor defined as: CURSOR c1 IS SELECT course_number from courses_tbl where course_name = name_in; The command that would be used to fetch the data from this cursor is:...