1. DICTIONARY.Tables 这个表单包含了所有的数据集(dataset)的信息。 例(1): 查询 逻辑库名为 ‘SQL’的所有的 tables and views 。 libname sql'E:\SAS\sasdata';data sql.test1;setsashelp.cars;run;data sql test2;setsashelp.air;run;proc sql;title'All Tables and Views in the SQL Library';sele...
renamePrimaryKey Renames the foreign keys in other tables according to the change of the corresponding primary key value in this table. (Inherited from xRecord.) reread Rereads the record from the table. (Inherited from xRecord.) RowCount Retrieves the number of rows in the table. (Inherited...
Creates one or more tables in the SQL database. Also, provides an option to create for index. tableCreate(Boolean, Int32) C# publicvirtualinttableCreate(bool_indexes,int_tableId); Parameters _indexes Boolean The table handle (0 for all); optional. ...
数据压缩字典表(Dictionary tables)Indexes 保存在数据行外边的 LOB 数据 评估使用行压缩技术的压缩比 激活实例级数据压 … www.ibm.com|基于9个网页 2. 表词典 SAS表词典(DICTIONARY tables)是特殊的只读PROC SQL表。这些表包含所有的SAS数据逻辑库、SAS数 据表、系统选项 … ...
SQL 型 V4.2.1 参考指南 系统视图 Oracle 租户系统视图 字典视图 DICTIONARY 更新时间:2024-11-20 16:01:31 功能 展示数据字典表和视图的描述。 功能适用性 该视图仅适用于 OceanBase 数据库 Oracle 模式。 字段说明 字段名称类型是否可以为 NULL描述
SQL Server System Tables SQL Server data dictionary information is stored in the SQL Server database as SQL Server system tables. All SQL Server system tables have names prefixed with "sys". The SQL Server system tables define the structure of a database. When you change data definitions, SQ...
(altered_table_def)) goto cleanup2;}}.../*If the SE failed to commit the transaction, we must rollback themodified dictionary objects to make sure the DD cache, the DDtables and the state in the SE stay in sync.*/if (res)thd->dd_client()->rollback_modified_objects();...
DataTable dataTable= dataSet.Tables[0]; 20. XML转JSON //创建一个XML字符串stringxml ="<Person><Name>John</Name><Age>30</Age></Person>";//将XML字符串转换为JSON字符串XmlDocument xmlDoc =newXmlDocument(); xmlDoc.LoadXml(xml);stringjson = JsonConvert.SerializeXmlNode(xmlDoc);...
Data dictionary tables are created in a singleInnoDBtablespace namedmysql.ibd, which resides in the MySQL data directory. Themysql.ibdtablespace file must reside in the MySQL data directory and its name cannot be modified or used by another tablespace. ...
If this table uses a checksum, the value in this column is1; if not, it is0 row_size The amount of data, in bytes that can be stored in one row, not including any blob data stored separately in blob tables; seeTable::getRowSizeInBytes(), in the API documentation, for more informa...