Web1 day ago · oracle数据泵的使用方式, 以及数据泵命令的参数说明使用expdp和impdp时应该注重的事项:1、exp和imp是客户端工具程序,它们既可以在客户端使用,也可以在服务端使用。2、expdp和impdp是服务端的工具程序,他们只能在oracle服务端使用,不能在客户端使用。3、imp只适用于exp导出的文件,不适用于expdp导出 ... WebThe syntax to create a synonym in Oracle is: CREATE [OR REPLACE] [PUBLIC] SYNONYM [schema .] synonym_name FOR [schema .] object_name [@ dblink]; OR REPLACE Allows you to recreate the synonym (if it already exists) without having to issue a DROP synonym command. PUBLIC It means that the synonym is a public synonym and is accessible to all …
ALTER SYNONYM - Oracle Help Center
WebALTER TRIGGER Purpose Triggers are defined using PL/SQL. Therefore, this section provides some general information but refers to Oracle Database PL/SQL Language Reference for details of syntax and semantics. Use the ALTER TRIGGER statement to enable, disable, or compile a database trigger. Note: WebAug 27, 2024 · It's more arguable that synonyms should validate when pointing to local objects. But they can also reference remote objects, e.g. : create synonym s for some_tab@remote_db; Checking this is valid has similar problems to the above. Note that synonyms can be invalidated when you drop/alter (local) objects they reference. e27 screw bulb
Ora-01031 When Executing Alter Synonym Compile For …
WebFeb 20, 2013 · select * from all_synonyms s left outer join all_tables t on s.table_owner = t.owner and s.table_name = t.table_name where s.owner = user Add the condition and t.table_name is null if you want those synonyms where the table does not exist. If you want to check whether the synonym is VALID query ALL_OBJECTS. WebYou are not supposed to compile public synonyms (Only SYS does that, and in a "special way"). There is no documented command as ALTER PUBLIC SYNONYM ... COMPILE. … Web12 SQL Statements: ALTER SYNONYM to COMMENT. This chapter contains the following SQL statements: ALTER SYNONYM. ALTER SYSTEM. ALTER TABLE. ALTER TABLESPACE. ALTER TABLESPACE SET. ALTER TRIGGER. ALTER TYPE. csg example