--判断表是否存在,存在drop掉 procedure DROP_TABLE_IFEXISTS(p_table_name varchar2); --判断sequence是否存在 存在drop掉 procedure DROP_SEQUENCE_IFEXISTS(p_sequence_name varchar2); --判断index是否存在 存在drop掉 procedure DROP_INDEX_IFEXISTS(p_index_name varchar2); 调用示例,首先,将附件的Oracle pa...
SQL> drop table non_exists; drop table non_exists ORA-00942: 表或视图不存在 drop table容错的方法是: BEGIN DROP TABLE non_exists_table; EXCEPTION WHEN OTHERS THEN IF sqlcode != -0942 THEN RAISE; END IF; END; drop sequence容错的方法是: BEGIN DROP SEQUENCE non_exists_sequence; EXCEPTION WH...
1、oracle主键自增(参考:http://www.cnblogs.com/abcdwxc/archive/2009/02/13/1390120.html) 2、判断表是否存在,如果存在就删除,判断sequence是否存在,存在就删除 drop tableif existsmonitorobject; drop sequenceif existsmonitorobject_sequence; 3、判断触发器是否存在,存在就删除(参考:http://blog.csdn.net/j...
execute immediate 'DROP VIEW ' || ObjName; end if; end if; if upper(ObjType) = 'SEQUENCE' then select count(*) into v_counter from user_sequences where sequence_name = upper(ObjName); if v_counter > 0 then execute immediate 'DROP SEQUENCE ' || ObjName; end if; end if; end; ...
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CREATE SEQUENCE --建立序列 CREATE SESSION --建立会话 CREATE SYNONYM --建立同义词 CREATE VIEW --建立视图 RESOURCE角色: --是授予开发人员的 CREATE CLUSTER --建立聚簇 CREATE PROCEDURE --建立过程 CREATE SEQUENCE --建立序列 CREATE TABLE --建表 ...
--forceowner : Force ora2pg to set tables and sequences owner like in Oracle database. If the value is set to a username this one will be used as the objects owner. By default it's the user used to connect to the Pg database that will be the owner. --nls_lang code: Set the...
CREATE OR REPLACE PROCEDURE DROPEXITSTABS (TAB_NAME_IN IN varchar2) IS v_cnt Number; begin select count(*) into v_cnt from user_tables where table_name = upper(TAB_NAME_IN); if v_cnt>0 then execute immediate 'drop table ' || TAB_NAME_IN ||' purge'; end If; end DROPEXITSTABS...
Change default_sequence_start_value from 10000 to 1 [#1636] Supports supports_optimizer_hints? [#1850 #1852] OracleEnhanced::SchemaStatements#tables excludes materialized views [#1708] rake db:structure:dump extracts views by default [#1625 #1641] Drop db link support [#1668 #1681 #1696 #170...
CREATE PROCEDURE 为用户创建任意存储过程的权限。CREATE SYNONYM 为用户创建同义词的权限。CREATE SEQUENCE 为用户创建序列的权限。CREATE TRIGGER 为用户创建触发器的权限。CREATE TYPE 创建类型的权限。CREATE SESSION 创建会话的权限。... 从自建Oracle迁移至PolarDB-X ...