QUERY 3: To check the size of partition table in Oracle. select PARTITION_NAME,sum(bytes)/1024/1024/1024 GB from dba_segments where SEGMENT_NAME=upper('&TABLE_NAME') and PARTITION_NAME='P01' group by PARTITION_
Query to check index size in Oracle select sum(bytes)/1024/1024 as "Index Size (MB)" from dba_segments where segment_name='&INDEX_NAME'; select sum(bytes)/1024/1024 as "Index Size (MB)" from user_segments where segment_name='&INDEX_NAME'; Conclusion: After reading this post you wil...
MySQL TEXT types: Size guide & usage How to fix 'ORA-12505' SQL tutorial: Identifying tables within a column How to UPDATE from SELECT in SQL server How to write to a CSV file using Oracle SQL*Plus SQL server: Storing procedure results How to select the right data types How ...
TABLESPACE Oracle Databaseが、表、オブジェクト表OIDINDEX、パーティション、LOBのデータ・セグメント、LOBの索引セグメントまたは索引構成表のオーバーフロー・データ・セグメントを作成する表領域を指定します。TABLESPACEを省略した場合、その表を含むスキーマの所有者のデフォルトの表領域内に...
After you create a table, you can insert, query, delete, and update rows using SQL. A row is a collection of column information corresponding to a record in a table. For example, a row in the employees table describes the attributes of a specific employee. See Also: Oracle Database Admi...
(1)In locally managed tablespaces,Oracle Database uses the value of MINEXTENTS in conjunction with PCTINCREASE, INITIAL and NEXT to determine the initial segment size. (2)In dictionary-managed tablespaces,specify the total number of extents to allocate when the object is created.The default and ...
Oracle: Plus sign for left & right joins Django: Filter null/empty values MySQL TEXT types: Size guide & usage How to fix 'ORA-12505' SQL tutorial: Identifying tables within a column How to UPDATE from SELECT in SQL server How to write to a CSV file using Oracle SQL*Plus ...
obclient>CREATE TABLE ref_t1(c1 INT PRIMARY KEY,C2 INT);Query OK,0rows affected obclient>CREATE TABLE ref_t2(c1 INT PRIMARY KEY,C2 INT,FOREIGN KEY(c2)REFERENCES ref_t1(c1)ON DELETE SET NULL);Query OK,0rows affected 创建非模板化的 Range + Range 二级分区表。
Most commonly used constraints in Oracle SQL Example: Below example rendering names of all the constraints with the following SQL Query: Employees Table: Example: Getting the SELECT CONSTRAINT_NAME, CONSTRAINT_TYPE, TABLE_NAME FROM USER_CONSTRAINTS ...
Oracle Database - Standard Edition - Version 11.1.0.7 and later: ORA-12840: Cannot Access A Remote Table After Parallel/insert Direct Load Txn Compiling A Package