在Oracle中，对sequence进行修改的前提是你必须是该sequence的所有者，或者拥有ALTER ANY sequence的权限。对于sequence的参数调整，除了start值之外，你都可以进行操作。例如，如果你想增加序列值的增量为10，最大值设置为10000，并启用循环模式（即达到最大值后重新从头开始），可以使用以下命令：ALTER sequen...
Oracle/ Oracle Database/ Release 20 SQL言語リファレンス 目的 ALTERSEQUENCE文を使用すると、既存の順序の増分値、最小値および最大値、キャッシュされる数および動作を変更できます。この文は、順序番号に影響します。 関連項目: 順序の詳細は、「CREATE SEQUENCE」を参照してください。
Oracle Database performs some validations. For example, a newMAXVALUEcannot be imposed that is less than the current sequence number. Examples Modifying a Sequence: Examples This statement sets a new maximum value for thecustomers_seqsequence, which was created in"Creating a Sequence: Example": ...
通过ALTER SEQUENCE语法,用户可以改变序列对象的起始值、递增量、最小值、最大值、循环属性和缓存值等属性。 二、ALTER SEQUENCE语法详解 1.修改序列的起始值 用户可以使用ALTER SEQUENCE语句来修改序列对象的起始值。语法如下: ALTER SEQUENCE sequence_name INCREMENT BY new_start_value; 其中sequence_name是要修改的...
-- Alter sequence alter sequence user_sequences maxvalue 9999999;
Oracle Database 18c Enterprise Edition Release 18.0.0.0.0 - Production SYSTEM@xxxxxx> CREATE SEQUENCE Seq1 START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 9999; Sequence created. SYSTEM@xxxxxx> SELECT Seq1.nextval FROM dual; NEXTVAL
在Oracle中,序列venseq使用下面的语句创建:CREATE SEQUENCE venseq INCREMENT BY 1 START WITH 10 MAXVALUE 100 MINVALUE 10 CYCLE CACHE 5;下面对序列venseq修改的语句,错误的是( )。 A. ALTER SEQUENCE venseq START WITH 1; B. ALTER SEQUENCE venseq MAXVALUE 90; C. ALTER SEQUENCE venseq NOMINVALUE...
Oracle Sequence */--> /* @licstart The following is the entire license notice for the JavaScript code in this tag. Copyright (C) 2012-2019... halberd.lee 0 700 ChIP-seq | ATAC-seq | RNA-seq | 数据分析流程 2019-12-10 09:57 − 补充RNA-seq流程以前都是自己搭RNA-seq流程,虽然可...
( sequence_options ) ] | UNIQUE index_parameters | PRIMARY KEY index_parameters | REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE referential_action ] [ ON UPDATE referential_action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED...
Revoke insert,update,delete on reserveguest from JUN; Oracle权限列表 系统权限列表 Alter: Alter any cluster Alter any index Alter any procedure Alter any role Alter any sequence Alter any table Alter any trigger Alter database Alter profile Alter resource cost Alter rollback segment Alter session ...