SQL_CA2_SIMULATE_NON_UNIQUE = 驱动程序不能保证模拟定位更新或删除语句在游标是动态游标时仅影响一行;这是应用程序保证这一点的责任。 (如果语句影响多行, SQLExecute 或SQLExecDirect 返回SQLSTATE 01001 [游标操作冲突]。)若要设置此行为,应用程序会调用 SQLSetStmtAttr ,并将SQL_ATTR_SIMU
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SQL_CA2_SIMULATE_NON_UNIQUE = 驱动程序不能保证模拟定位更新或删除语句在游标是动态游标时仅影响一行;这是应用程序保证这一点的责任。 (如果语句影响多行, SQLExecute 或SQLExecDirect 返回SQLSTATE 01001 [游标操作冲突]。)若要设置此行为,应用程序会调用 SQLSetStmtAttr ,并将SQL_ATTR_SIMULATE_CURSOR属性设置为...
SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); Arguments ConnectionHandle [Input] Connection handle. InfoType [Input] Type of information. InfoValuePtr [Output] Pointer to a buffer in which...
SQL_SCCO_LOCK SQL_SCCO_READ_ONLY SQL_SCCO_TIMESTAMP SQL_SCCO_VALUES CLI 返回SQL_SCCO_LOCK ,指示足以进行更新的最低锁定级别。 SQL_SCROLL_OPTIONS (32 位掩码) 指示可滚动游标支持的滚动选项。 列出的位掩码与标志一起使用,以确定哪些选项受支持: SQL_SO_FORWARD_ONLY: 游标仅向前滚动。 SQL_SO_KEYSET...
GetAnnotations(ModelIdentifier) 傳回具有指定識別項之附加附註的清單。 (繼承自 IModelAnnotationHolder)。 GetAnnotations(ModelIdentifier, Type) (繼承自 IModelAnnotationHolder)。 回頁首 請參閱 參考 ISqlUniqueConstraint 介面 Microsoft.Data.Schema.Sql.SchemaModel 命名空間中文...
SQL增删改查语句公式,越熟悉看到公式的内容的越多Get!, //增INSERT[LOW_PRIORITY|DELAYED|HIGH_PRIORITY][IGNORE][INTO]tbl_name[PARTITION(partition_name[,partition_name]...)][(col_name[,col_name]...)]{VALUES|VALUE}(value_list)[,(value_list
Note:3D Maps doesn’t support hierarchies (groupings of data fields) that you create in the Data Model. Structure your data To prepare your data,make sure all of the data is in Excel table format, where each row represents a unique record. Your column headings or row headings should...
Note:Power Map doesn’t support hierarchies (groupings of data fields) that you create in the Data Model. Structure your data To prepare your data,make sure all of the data is in Excel table format, where each row represents a unique record. Your column headings or row headings s...
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