public TeradataTableDataset withSchema(Object schema) Set the schema property: Columns that define the physical type schema of the dataset. Type: array (or Expression with resultType array), itemType: DatasetSchemaDataElement. Overrides: TeradataTableDataset.withSchema(Object schema) Parameters: sc...
查询tablename 数据库中 以”_copy” 结尾的表 select table_name from information_schema.tables where table_schema='tablename...information_schema.tables 指数据库中的表(information_schema.columns 指列) table_schema 指数据库的名称 table_type 指是表的类型...(base table 指基本表,不包含系统表)...
TeradataTableDataset.withSchema(Object schema) Parameters: schema withStructure public TeradataTableDataset withStructure(Object structure) Set the structure property: Columns that define the structure of the dataset. Type: array (or Expression with resultType array), itemType: DatasetDataElement. Ov...
TeradataTableDataset.withSchema(Object schema) Parameters: schema withStructure public TeradataTableDataset withStructure(Object structure) Set the structure property: Columns that define the structure of the dataset. Type: array (or Expression with resultType array), itemType: DatasetDataElement. Overrid...
TeradataTableDataset.withSchema(Object schema) Parameters: schema withStructure public TeradataTableDataset withStructure(Object structure) Set the structure property: Columns that define the structure of the dataset. Type: array (or Expression with resultType array), itemType: DatasetDataElement. Overrid...
Teradata doesn’t provide any tool out of the box to define or create a list of values to be compressed for tables. Manual effort is involved in collecting candidate column values for compression. Not all data types can be compressed and there is a limit to the number of values that can...
Limitations Using Indexes with Object File System Tables Primary Index Secondary Index Join Index External Object Storage Accessed Using Native Object Store (NOS) Authorization to Access External Object Storage Block Storage Open Table Format Datalakes Supported Software for Datalakes Create ...
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Returns the list of tables in the specified database when prefix is a string or a DBI:Id with a schema component. Column 2 is_prefix will be all FALSE in this case.Only returns information about databases, permanent tables, and views. Does not return any information about volatile tables ...
Teradata doesn’t provide any tool out of the box to define or create a list of values to be compressed for tables. Manual effort is involved in collecting candidate column values for compression. Not all data types can be compressed and there is a limit to the number of values that can...