SQL_CA1_ABSOLUTE = SQL_FETCH_FIRST、SQL_FETCH_LAST和SQL_FETCH_ABSOLUTE的 FetchOrientation 自變數,在數據指標是動態數據指標時, SQLFetchScroll 的呼叫支援。 (要擷取的數據列集與目前數據指標位置無關。SQL_CA1_RELATIVE = SQL_FETCH_PRIOR和SQL_FETCH_RELATIVE的 FetchOrientation 自變數,在數據指標為動態...
SQL_CA1_ABSOLUTE = SQL_FETCH_FIRST、SQL_FETCH_LAST和SQL_FETCH_ABSOLUTE的 FetchOrientation 自變數,在數據指標是動態數據指標時, SQLFetchScroll 的呼叫支援。 (要擷取的數據列集與目前數據指標位置無關。SQL_CA1_RELATIVE = SQL_FETCH_PRIOR和SQL_FETCH_RELATIVE的 FetchOrientation 自變數,在數據指標為動態...
For Each row As DataRow In dt.RowsDim sValue As String = Convert.ToString(row("Test"))s.Add(str1Value.Trim())NextthanksAll replies (2)Thursday, November 18, 2010 3:34 PM ✅Answered复制 Dim sValue As String = Convert.ToString(dt.Rows(0)("Test")) Matt Kleinwaks - MSMVP MSDN...
SQLGetInfo returns general information about the driver and data source associated with a connection. Syntax C++ Copy SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); Arguments ConnectionHandle...
SQL_BATCH_SUPPORT (32 位掩码) 指示支持的批处理级别: SQL_BS_SELECT_EXPLICIT: 支持可具有生成结果集的语句的显式批处理。 SQL_BS_ROW_COUNT_EXPLICIT: 支持可具有生成行计数的语句的显式批处理。 SQL_BS_SELECT_PROC: 支持可具有生成结果集的语句的显式过程。 SQL_BS_ROW_COUNT_PROC: 支持可具有生成行计...
If the number of deleted rows in compressed rowgroups > 20%, plateauing in older rowgroups with < 5% variation (referred to as cold rowgroups), then set COMPRESSION_DELAY = (youngest_rowgroup_created_time - current_time). This approach works best with a stable and relatively homogeneous ...
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SQL Connect string format: [username]@[hostname]:[port]/[DB service name] [AS SYSDBA] To connect to the first Pluggable Database (PDB) use: Copied to Clipboard sqlplus sys@localhost:1521/FREEPDB1assysdba To connect to the Container Database (CDB) use: ...
theSESSION_TRACK_BEGINandSESSION_TRACK_ENDsymbols are defined to be equal to the first and last members of theenum_session_state_typeenumeration. The example code shown later in this section demonstrates this technique. (Of course, if the enumeration members change, you must recompile your applic...
To avoid truncation of the first level error message, declare a buffer length of SQL_MAX_MESSAGE_LENGTH + 1. To avoid truncation of the second level error message, set the size of the buffer to a value greater than SQL_MAX_MESSAGE_LENGTH. ...