schemaTable = table(1:0, name, type) db.createPartitionedTable(table=schemaTable, tableName=tbName, partitionColumns=`TradeTime`SecurityID, compressMethods={TradeTime:"delta"}, sortColumns=`SecurityID`TradeTime, keepDuplicates=ALL) } dbName="dfs://TSDB_tick" tbName="tick" createTick(dbName, ...
DEDUPLICATEまたはKEEP_DUPLICATES DEDUPLICATEオプションでは拡張LOB重複除外が有効化され、LOB列、パーティション、またはサブパーティションの複数行で同一のSecureFiles LOBデータで同じデータ・ブロックを共有する必要があることを示します。データベースは同一の内容のSecureFiles LOBを単一のコ...
insert ignore 指当主键/唯一性索引冲突,数据集成将直接忽略更新丢弃,并且不记录! 注意 MySQL writer支持replace into,参考MySQL数据库的replace into语句。 Oracle writer不支持replace into,支持insert into...(当主键/唯一性索引冲突时会写不进去冲突的行),因为Oracle不支持replace、replace into语句。OracleWriter和My...
问Oracle INSERT、SELECT和NOT EXISTSEN远程连接 MySQL mysql -h <ip> -P 3306 -u root -p 然后输...
SQL> INSERT INTO sf_tab VALUES (1, 'MyCLOB data'); 1 row created. SQL> commit; Commit complete. 2.2.2 LOB Deduplication 重复值 LOB重复值相关的2个选项: (1)DEDUPLICATE:不允许出现重复值。 (2)KEEP_DUPLICATES: 允许出现重复值。 SQL> create user dave identified by"dave" default tablespace ...
_selfjoin_mv_duplicates = true _dimension_skip_null = true _force_rewrite_enable = false _optimizer_star_tran_in_with_clause = true _optimizer_complex_pred_selectivity = true _optimizer_connect_by_cost_based = true _gby_hash_aggregation_enabled = true _globalindex_pnum_filter_enabled = ...
schemaTable = table(1:0, name, type) db.createPartitionedTable(table=schemaTable, tableName=tbName, partitionColumns=`TradeTime`SecurityID, compressMethods={TradeTime:"delta"}, sortColumns=`SecurityID`TradeTime, keepDuplicates=ALL) } dbName="dfs://TSDB_tick" tbName="tick" createTick(dbName, ...
SQL> INSERT INTO sf_tab VALUES (1, 'MyCLOB data'); 1 row created. SQL> commit; Commit complete. 2.2.2 LOB Deduplication 重复值 LOB 重复值相关的2个选项: (1)DEDUPLICATE:不允许出现重复值。 (2)KEEP_DUPLICATES: 允许出现重复值。 SQL> create user dave identified by"dave" default tablespace...
3 (keep_duplicates) 4 / Table altered. 之后,如果您再检查空间: Segment Name=SYS_LOB0000070763C00004$$ segment_size_blocks => 1456 segment_size_bytes => 11927552 used_blocks => 601 used_bytes => 4923392 expired_blocks => 0 expired_bytes => 0 ...
Select Database | Compare | Data Duplicates Select the Owner, Object Type and Object from the drop-down lists. A list of columns is displayed below. Now, you can do any of the following: To find this:Do this: Find duplicates on all columns Select Find duplicates on all columns. Do...