1
我想我可能有语法错误,例如当我查询P0时,我得到以所有字母开头的学校名称 - 它不限于字母A-E,这正是我想要的。如何按字母顺序对表格进行分区?
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;
我的问题: 我将如何完成这个分区表,以便值是按字母顺序分区A-E,F-R,Q-Z?
我的查询:
SELECT SCHOOL_NAME FROM SCHOOL4, DBA_SEGMENTS
Where PARTITION_NAME = 'P0' and owner = 'AB' ;
我改变了查询到什么锡安以下建议,并提出了预期值。
查询它,你可以写你怎么查询呢? – 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