ResetCommandTimeout() 重設CommandTimeout 屬性為其預設值。 事件 展開資料表 StatementCompleted 發生於 Transact-SQL 陳述式執行完畢時。 明確介面實作 展開資料表 ICloneable.Clone() 表示要對 SQL Server 資料庫執行的 Transact-SQL 陳述式或預存程序。 此類別無法獲得繼承。適用...
_IN_COMMAND、DELTA_CONF_OVERRIDE_NOT_SUPPORTED_IN_SESSION、DELTA_ILLEGAL_OPTION、DELTA_INVALID_IDEMPOTENT_WRITES_OPTIONS、DELTA_MUST_SET_ALL_COORDINATED_COMMITS_CONFS_IN_COMMAND、DELTA_MUST_SET_ALL_COORDINATED_COMMITS_CONFS_IN_SESSION、DELTA_NON_UC_COMMIT_COORDINATOR_NOT_SUPPORTED_IN_COMMAND、DELTA_...
DISABLE– this will create the command todisableall FK constraints that reference the table you are working with ENABLE– this will create the command toenableall FK constraints that reference the table you are working with DROP– this will create a command todropall FK constraints and create a...
The DELETE statement can be undone using the ROLLBACK command, as it is a DML statement. The changes can be undone only if the query is not committed to transactions. Example: CREATE TABLE students (student_id INT PRIMARY KEY,name VARCHAR(50),course VARCHAR(50));INSERT INTO students (stud...
protected override void ForeignKeyAction(Microsoft.EntityFrameworkCore.Migrations.ReferentialAction referentialAction, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder); 参数 referentialAction ReferentialAction 引用操作。 builder MigrationCommandListBuilder 用于添加 SQL 片段的命令...
You must explicitly execute an ABORT command to terminate a resumable index build operation. A failure or a pause in a resumable index operation doesn't terminate its execution; rather, it leaves the operation in an indefinite pause state. Remarks ALTER INDEX can't be used to repartition an ...
Change the delete rule to NO ACTION, RESTRICT, or SET NULL or eliminate the particular FOREIGN KEY clause from the CREATE TABLE or ALTER TABLE statement. 7 Change the delete rule to NO ACTION or remove the triggers fired by the referential constraint or do not create the new referential con...
You must explicitly execute an ABORT command to terminate a resumable index build operation. A failure or a pause in a resumable index operation doesn't terminate its execution; rather, it leaves the operation in an indefinite pause state. Remarks ALTER INDEX can't be used to repartition an ...
If theDBCC CHECKDBcommand fails, the database can't be repaired. Data loss warning with REPAIR_ALLOW_DATA_LOSS TheREPAIR_ALLOW_DATA_LOSSoption is a supported feature of SQL Server. However, it might not always be the best option for bringing a database to a physically consistent ...
HADR_DATABASE_WAIT_FOR_TRANSITION_TO_VERSIONING 对可用性组的可读辅助数据库中的对象进行查询,在等待为读取工作负荷启用辅助副本时提交或回滚所有正在进行的事务时,行版本控制会阻止该查询。 此等待类型保证行版本在快照隔离下执行查询之前可用。 适用于:SQL Server 2012(11.x)及更高版本。 HADR_DB_COMMAND 等待...