1
我想我可能有語法錯誤,例如當我查詢P0時,我得到以所有字母開頭的學校名稱 - 它不限於字母A-E,這正是我想要的。如何按字母順序對錶格進行分區?
CREATE TABLE "AB"."SCHOOL4"
( "SCHOOL_KEY" NUMBER(*,0),
"SCHOOL_IDENTIFIER" VARCHAR2(15 BYTE),
"SCHOOL_NAME" VARCHAR2(100 BYTE),
) SEGMENT CREATION IMMEDIATE
PARTITION BY RANGE (SCHOOL_NAME)
( PARTITION P0 VALUES LESS THAN ('F'),
PARTITION p1 VALUES LESS THAN ('Q'),
PARTITION p2 VALUES LESS THAN (MAXVALUE)
)
TABLESPACE AB_ST2;
我的問題: 我將如何完成這個分區表,以便值是按字母順序分區A-E,F-R,Q-Z?
我的查詢:
SELECT SCHOOL_NAME FROM SCHOOL4, DBA_SEGMENTS
Where PARTITION_NAME = 'P0' and owner = 'AB' ;
我改變了查詢到什麼錫安以下建議,並提出了預期值。
查詢它,你可以寫你怎麼查詢呢? – Xion 2014-10-29 19:42:48
SELECT SCHOOL_NAME FROM SCHOOL4,DBA_SEGMENTS 其中PARTITION_NAME ='P0'和owner ='AB'; – ShoSom 2014-10-29 20:03:32