下面是一个使用SQL Server查询数据库中所有表的代码示例: USEYourDatabaseName;SELECTt.nameASTableName,s.nameASSchemaName,t.create_dateASCreateDateFROMsys.tablestINNERJOINsys.schemas sONt.schema_id=s.schema_idORDERBYt.create_date; 1. 2. 3. 4. 5. 6. 7. 8. 9. 在上面的代码示例中,首先使用...
In this tutorial, we’ll look at different ways to retrieve the table names within a specific database. 2. Understanding the Problem Before we look at solutions, let’s define the problem.We need to get the names of all tables in a specific database. This is useful for tasks such as ...
foreach (var mt in model.GetTables()) Console.WriteLine(mt.TableName); The MetaModel holds all of the information the LINQ to SQL uses to map between the CLR type system and the SQL database. The above code doesn't require an instance of the DataContext. If you happen to have an in...
mysql> CREATE DATABASE userdb; Query OK, 1 row affected (0.00 sec) mysql> USE userdb; Database changed 新建userlist表,字段设置及相关操作参考如下: mysql> CREATE TABLE userlist( -> username varchar(24) NOT NULL, -> password varchar(48) DEFAULT 'x', -> uid int(5) NOT NULL, -> gid ...
selectschema_name(t.schema_id) +'.'+ t.[name]astable_view,casewhent.[type] ='U'then'Table'whent.[type] ='V'then'View'endas[object_type], i.index_id,casewheni.is_primary_key =1then'Primary key'wheni.is_unique =1then'Unique'else'Not unique'endas[type], i.[name]asindex_nam...
CREATE INDEX index-name ON table-name(column[,column…]) 例:CREATE INDEX uspa ON 口令表(user,password) (9)DROP INDEX DROP INDEX table-name.index-name|PRIMARY 例:DROP INDEX 口令表.uspa 二、在程序中使用静态SQL语句 在程序设计阶段,将SQL命令文本作为TQuery组件的SQL属性值设置。
Readingtableinformationforcompletionoftableandcolumnnames You can turn off this featuretogeta quicker startupwith-A Database changed 发现目标端是存在sbtest这个库,但是只能小写访问,继续检查大小写敏感配置 mysql>select@@lower_case_table_names; +---+ |@@lower_case_table_names| +---...
使用快照隔離(SI)來保證交易一致性,並使用讀提交快照隔離(RCSI)來保證列存索引查詢的語句層級一致性。 這可讓查詢執行而不會封鎖資料寫入器。 此非封鎖性的行為也會大幅降低複雜交易發生死結的可能性。 如需詳細資訊,請參閱Database Engine 中的數據列版本設定隔離等級。
You synchronize a database on the server. In this scenario, all records in the query log table are truncated. Note This problem also exists in SQL Server 2008 and in SQL Server 2008 R2. For more information, see the "More Information" section. ...
public virtual Azure.Response<Azure.ResourceManager.Sql.SqlDatabaseTableResource> GetSqlDatabaseTable (string tableName, System.Threading.CancellationToken cancellationToken = default); 参数 tableName String 表的名称。 cancellationToken CancellationToken 要使用的取消标记。 返回 Response<S...