SQLFetch fetches the next rowset of data from the result set and returns data for all bound columns. Syntax C++ Copy SQLRETURN SQLFetch( SQLHSTMT StatementHandle); Arguments StatementHandle [Input] Statement handle. Returns SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_NO_DATA, SQL_STILL_EXECUTI...
Retrieving Historical Data from a Temporal TableWrite a SQL query to retrieve historical data from a temporal table.Solution:-- Retrieve historical data from the EmployeeHistory table. SELECT EmployeeID, Name, Position, SysStartTime, SysEndTime FROM EmployeeHistory; ...
FETCH [ direction [ FROM | IN ] ] cursor_name 其中 direction 可以为空或者以下之一: NEXT PRIOR FIRST LAST ABSOLUTE count RELATIVE count count ALL FORWARD FORWARD count FORWARD ALL BACKWARD BACKWARD count BACKWARD ALL 说明 这个页面描述在 SQL 命令层面上对游标的使用。如果想要在 PL/SQL函数中使用游...
stmt) { fprintf(stderr, "mysql_stmt_init(), out of memory\n"); exit(0); } query_status = mysql_stmt_prepare(stmt, "SELECT column_name FROM table_name WHERE condition", strlen("SELECT column_name FROM table_name WHERE condition")); if (query_status != 0) { fprintf(stderr, "...
この値は、LOB ホスト変数構造体の先頭 4 バイト、あるいは、 SQLDA の SQLVAR 項目 (そのホスト変数に対する項目) にある SQLDATALEN ポインターが指す 4 バイト領域のいずれかにあります。戻される内容は、使用するプログラミング方式によって異なります。SQLDA の内容について詳しくは...
For more information, seeConverting Data from SQL to C Data TypesinAppendix D: Data Types. 22007Invalid datetime formatA character column in the result set was bound to a date, time, or timestamp C structure, and a value in the column was, respectively, an invalid date, time, or ...
我们在刚开始学习hive的时候,都知道hive可以降低程序员的学习成本和开发成本,具体表现就在于可以将SQL语句转换成MapReduce程序运行。 Hive中对某些情况的查询可以不必使用MapReduce计算。例如:SELECT * FROM employees;在这种情况下,Hive可以简单地读取employee对应的存储目录下的文件,然后输出查询结果到控制台。 ...
SQLExtendedFetch fetches the specified rowset of data from the result set and returns data for all bound columns. Rowsets can be specified at an absolute or relative position or by bookmark. Note In ODBC 3*.x*, SQLExtendedFetch has been replaced by SQLFetchScroll. ODBC 3*.x* applications...
SQLExtendedFetch fetches the specified rowset of data from the result set and returns data for all bound columns. Rowsets can be specified at an absolute or relative position or by bookmark. Note In ODBC 3*.x*, SQLExtendedFetch has been replaced by SQLFetchScroll. ODBC 3*.x* applications...
SQL_NO_DATA_FOUND SQL_NO_DATA_FOUND is returned if there are no rows in the result set, or previousSQLFetch()calls have fetched all the rows from the result set. Diagnostics Table 2. SQLFetch SQLSTATEs Example Note:By using the code examples, you agree to the terms of theCode license...