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alter table table_name disable/enable constraint constraint_name; declare select 'ALTER TABLE ' || owner || '.' || table_name || ' disable constraint ' || constraint_name as stmt from dba_constraints where constraint_type = 'R' ; begin for r

SELECT to_char(DBMS_METADATA.GET_DDL(OBJECT_TYPE, object_name)) FROM all_OBJECTS where OBJECT_TYPE = 'TABLE' and owner = 'owner' and object_name = 'table_name';

原因: tablespace空间不够了，需要为tablespace创建新的数据文件 alter tablespace tablespace_name add datafile '/path/to/new/datafile' size 10m autoextend on maxsize unlimited;

create or replace function format_bytes(pi_bytes in number) return varchar2 is c_unit constant number := 1024; l_size number; l_unit_ind integer; begin l_size := pi_bytes; l_unit_ind := 0; ...

select df.tablespace_name ,format_bytes(df.total_space) as total_space ,format_bytes(df.total_space - fs.free_space) as used_space ,format_bytes(fs.free_space) as free_space from (se...

PowerShell连接查询Oracle数据库 $USER = 'USER' $PASSWD = 'PASSWD' $SERVER = 'SERVER' $DB = 'DB' # create connection object Add-Type -AssemblyName 'System.Data.OracleClient' $CONNECTION_STR = "User Id=$USE...

Oracle PL/SQL Nutshell 持续更新中。。。 Basic Syntax & Variables Basic Structure PL/SQL can be executed from SQL Plus Called PL/SQL blocks Anonymous blocks as they do not have a name Procedure...