Use theCREATEINDEXstatement to create an index on: One or more columns of a table, a partitioned table, an index-organized table, or a cluster One or more scalar typed object attributes of a table or a cluster A nested table storage table for indexing a nested table column Anindexis a ...
Use the CREATE INDEX statement to create an index on: One or more columns of a table, a partitioned table, an index-organized table, or a cluster One or more scalar typed object attributes of a table or a cluster A nested table storage table for indexing a nested table column An...
在OceanBase 数据库 Oracle 模式下,如果删除表中的任一索引列,则所创建的索引失效。 语法 CREATE[UNIQUE]INDEXindex_name ONtable_name(index_col_name,...)[index_type][index_options]index_type:USINGBTREEindex_options:index_option[index_option...]index_option:GLOBAL|LOCAL|COMMENT'str...
If I add new rows on partitioned table, as will be rebuild index? I want to add new partition (subpartition) and create index on new partition later. please show me code, how to do it. Sorry, you can't reply to this topic. It has been closed....
Database version - 9.2.0.8 Create Partitioned table which PARTITION BY RANGE (EOW_DATE column which is of data type date) and then SUBPARTITION BY HASH (store column of number datatype) Below are the list of columns Name
Database version - 9.2.0.8 Create Partitioned table which PARTITION BY RANGE (EOW_DATE column which is of data type date) and then SUBPARTITION BY HASH (store column of number datatype) Below are the list of columns Name Null? Type ...
To create a unique index on 'cust_code' column in the table 'customer', the following SQL statement can be used : CREATE UNIQUE INDEX custcode ON customer(cust_code); Output: Create Index in MySQL, PostgreSQL, Oracle, SQL Server
index_attributes 支持反向索引 REVERSE 属性。示例如下: CREATE INDEX IDX ON T(C) REVERSE; 支持global_partitioned_index 子句定义 global 索引分区。global_partitioned_index 的语法如下: table_index_clause: [ schema. ] table [ t_alias ] (index_expr [ ASC | DESC ] [, index_expr [ ASC | DESC...
CREATE TABLE http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/statements_7002.htm#SQLRF01402 表空间(tableSpace) 段(segment) 盘区(extent) 块(block) 关系 一. Storage 参数说明 1. INITIAL Specify the size of the first extent of the object. Oracle allocates spac...
create table customer_addresses ( customer_id integer, address_id integer, primary key ( customer_id, address_id ) ) organization index;This stores the values sorted by customer_id, then address_id. So all the addresses for customer 1 are next to each other on disk. So...