SQL>flashback table test_drop to before drop;或 SQL>flashback table "BIN$b+XkkO1RS5K10uKo9BfmuA==$0" to before drop; 注:必须9i或10g以上版本支持,flashback无法恢复全文索引 以下为参考资料 使用Oracle Database 10g 中的闪回表特性,可以毫不费力地恢复被意外删除的表 以下是一个不该发生却经常发生...
The SQL DROP TABLE StatementThe DROP TABLE statement is used to drop an existing table in a database.SyntaxDROP TABLE table_name; Note: Be careful before dropping a table. Deleting a table will result in loss of complete information stored in the table!
We can see in the below output that no table called grocery has existed as the table is gone. Output: The table we want to delete resides in a different SQL Server database than the one that we are currently utilizing. Let’s examine how to delete a table from a different database. ...
TheDROP TABLEcommand deletes a table in the database. The following SQL deletes the table "Shippers": ExampleGet your own SQL Server DROPTABLEShippers; TRUNCATE TABLE TheTRUNCATE TABLEcommand deletes the data inside a table, but not the table itself. ...
SQL> set concat off SQL> update &table_owner.&table_with_lob set &lob_column = empty_blob() where rowid in (‘list the identified rowids from the table from the plsql above’); 将损坏的lob设置为empty lob后,之前的数据块还会放回这个lob的freelist。这些空间以后可能会被重用, 当这些数据块...
TNAME TABTYPE CLUSTERID --- RECYCLETEST TABLE 现在，我们意外地删除了该表： SQL>droptablerecycletest; Tabledropped. 现在让我们来查看该表的状态。 SQL>select*fromtab;
ORA-00942: table or view does not exist . 关于recursive SQL 错误我们有必要做个简单说明。 我们知道,当我们发出一条简单的命令以后 Oracle数据库要在后台解析这条命令,并转换为Oracle数据库的一系列后台操作。 这些后台操作统称为递归sql. 比如create table这样一条简单的DDL命令,Oracle数据库在后台,实际上要把...
How To Recover From A Drop/Truncate/Delete Table Done On Primary Using Flashback On A Standby Database (文档 ID 958557.1) 主库: [oracle@hosta ~]$ sqlplus / as sysdba SQL*Plus: Release 11.1.0.7.0 - Production on Fri Jul 31 22:08:19 2015 ...
tablespacename The name of a tablespace. Examples To remove tablespaceemployee_spacefrom the system: DROP TABLESPACE employee_space; See Also ALTER TABLESPACE ← Prev DROP TABLE ↑ Up Database Compatibility for Oracle Developers SQL Guide Next → ...
Include theRESTRICTkeyword to specify that the server should refuse to drop the table if any objects depend on it. This is the default behavior; theDROP TABLEcommand will report an error if any objects depend on the table. Include theCASCADEclause to drop any objects that depend on the table...