例如,源表在SOURCE_SCHEMA中,目标schema为TARGET_SCHEMA。 使用CREATE TABLE ... AS SELECT语句复制表结构和数据: 如果目标表不存在,可以使用CREATE TABLE ... AS SELECT语句来创建新表并同时复制数据。这种方法不仅复制数据,还会复制表的结构(但不包括索引、约束等)。 sql CREATE TABLE TARGET_SCHEMA.target_table...
if you are copying between Oracle databases, a NUMBER column with no precision will be changed to a DECIMAL(38) column. When copying between Oracle databases, you should use SQL commands (CREATE TABLE AS and INSERT) or you should
(6) If an XMLType table uses aschema that is dependent on another schema, the schema that is depended on isnot exported. The import succeeds only if that schema is already in thedestination database. 1.3.8 Additional limitations include thefollowing: --TTS其他的限制: (1)SYSTEM Tablespace O...
execute dbms_repcat.create_master_repobject(sname=>'cqm',oname=>'test',type=>'table',use_existing_object=>true,gname=>'repg',copy_rows=>false); 对复制对象产生复制支持: execute dbms_repcat.generate_replication_support('cqm','test','table'); execute dbms_repcat.drop_master_repobject ('...
Query this Hive table the same as you would any other Hive table. 4.3Installing Copy to Hadoop Where Oracle Big Data SQL is installed, Copy to Hadoop is available on the Oracle Database server that is connected to Hadoop cluster. 4.3.1Prerequisites for Copy to Hadoop ...
1.1 Introduction to Transportable Tablespaces You can use theTransportable Tablespaces feature to copy a set of tablespaces from one OracleDatabase to another. --可以使用TTS 特性将表空间从一个数据库copy 到另一个数据库。 Note: This method fortransporting tablespaces requires that you place the tables...
DBMS_STATS能良好地估计统计数据(尤其是针对较大的分区表),并能获得更好的统计结果,最终制定出速度更快的SQL执行计划。包含以下接口: 接口描述 GATHER_DATABASE_STATS 分析数据库,包括所有用户对象和系统对象 GATHER_TABLE_STATS 分析表 GET_COLUMN_STATS 取得列的统计信息 GET_INDEX_STATS 取得索引的统计信息 GET_...
要基于电子表格创建表,单击 SQL Workshop > Utilities > Data Import/Export 旁的向下箭头。 4. 单击 Import 旁的向下箭头,然后单击 Spreadsheet Data。 5. 确保将 Import To 设为 New table。为 Import From 选择 Upload file (comma separated or tab delimited) 选项。单击 Next >。 6. 单击Browse。
第四步:copy dmp文件和表空间的DBF文件到traget库中 第五步:在目标库中执行impdp入库 关于transportable tablespaces Tablesport tablespace可以从一个库到另外一个库中实现表空间集的复制。但必须注意的是,在Transport tablespace之前,需要将所表空间设置为read only模式。用户需要EXP_FULL_DATABASE权限。
This include Table > Data, SQL Worksheet Results and Report output.7. Schema Copy and Compare Schema Copy Copy contents of one schema to another Drop, truncate or copy objects Log report of results Schema Compare Compare and create SQL Difference statement between 2 schemas Select objects to...