sp_cursor_list、sp_describe_cursor、sp_describe_cursor_tables 以及 sp_describe_cursor_columns 系统存储过程。 sp_cursor_list 和 sp_describe_cursor 的 cursor_name 输出列返回游标变量的名称。 使用cursor 数据类型创建的所有变量都可以为 Null。 对于CREATE TABLE 语句中的列,不能使用 cursor 数据类型。 另...
Transact-SQL 伺服器數據指標。 由ODBC 應用程式開啟的 API 伺服器資料指標,然後呼叫 SQLSetCursorName 以命名數據指標。 用於sp_describe_cursor_columns 數據指標所傳回結果集屬性的描述。 用於 sp_describe_cursor_tables 數據指標所參考之基表的報表。 sp_describe_cursor 會報告與 sp_cursor_list相...
SQL Server implicitly converts the cursor to another type if clauses inselect_statementconflict with the functionality of the requested cursor type. FOR UPDATE [ OFcolumn_name[ ,...n] ] Defines updatable columns within the cursor. IfOF <column_name> [, <... n>]is supplied, only the co...
For a description of the attributes of the result set returned by the cursor, use sp_describe_cursor_columns. For a description of the global characteristics of the cursor, such as its scrollability and updatability, use sp_describe_cursor. To obtain a report of the Transact-...
If any columns are uninitialized when the insertRow method is called, the default value for the column is inserted. If there's no default value but the column is nullable, then NULL is inserted. If there's no default value and the column is not nullable, the server will return an error...
SQLUINTEGER uwRowsize; SQLSetStmtAttr(m_hstmt, SQL_ATTR_ROW_ARRAY_SIZE, (SQLPOINTER)uwRowsetSize, SQL_IS_UINTEGER); Cursors with a rowset size greater than 1 are called block cursors. There are two options for binding result set columns for block cursors: Column-wise binding Each column ...
I know that I can dynamically create a temp table that will have all the columns I need plus an identity column, dynamically insert data in the table (using some exec(@sql) staement) and then select from the temp table only the rows I need (for example rows that have identity column ...
Automating Transaction Log Backups for All SQL Server Databases Searching and finding a string value in all columns in a SQL Server table Script All Server Level Objects to Recreate SQL Server Script to create commands to disable, enable, drop and recreate Foreign Key constraints in SQL Server ...
do not move if columns in the ORDER BY clause are updated in rows that have already been materialized. Positioned updates and deletes are allowed if the result table is updatable. The SELECT statement of a cursor that is defined as SENSITIVE STATIC cannot contain an SQL data change statement...
用于 sp_describe_cursor_columns 说明游标返回的结果集的属性。 用于 sp_describe_cursor_tables 游标引用的基表的报表。 若要获取在连接上可见的 Transact-SQL Server 游标的报表,请使用 sp_cursor_list。 语句DECLARE CURSOR 可能会请求 SQL Server 无法使用 SELECT 包含在其中的 DECL...