CREATE OR REPLACE PROCEDURE PRO_TRUNC_DROP_LHR(COMMAND IN VARCHAR2, O_TYPE IN VARCHAR2, OWNER IN VARCHAR2, O_NAME IN VARCHAR2) AUTHID DEFINER AS V_SQL VARCHAR2(4000); BEGIN IF UPPER(COMMAND) IN ('DROP', 'TRUNCATE') AND UPPER(O_TYPE) IN ('TABLE', 'INDEX') THEN V_SQL := COMM...
举 个例子来说,当创建一个表:PT_SCHE_DETAIL时,ORACLE就会为这个对象分配一个段.在这个段中,即使未插入任何记录,也至少有一个区被 分配,第一个区的第一个块就称为段头(SEGMENT HEADE),段头中就储存了一些信息,基中HWM的信息就存储在此.此时,因为第一个区的第一块用于存储段头的一些信息,虽然没有存储任何...
// *Action: Before performing the above operations the table, disable the // foreign key constraints in other tables. You can see what // constraints are referencing a table by issuing the following // command: // SELECT * FROM USER_CONSTRAINTS WHERE TABLE_NAME = "tabnam"; 比较清楚地说明...
报错02266,检查官方文档对应信息,如下: [oracle@oracle11g~]$ oerr ora 02266 02266, 00000, "unique/primary keys in table referenced by enabled foreign keys" // *Cause: An attempt was made to truncate a table with unique or // primary keys referenced by foreign keys enabled in another table. ...
This means, that you need to be very careful when using the command (actually be careful with DELETE as well!). Though you are able to rollback a TRUNCATE command in SQL Server, you can not do the same in Oracle. The TRUNCATE command is simple yet extremely dangerous. Here is an ...
Action:Check the syntax of the command and retry the operation specifying either TRUNCATE CLUSTER or TRUNCATE TABLE. ORA-03291: invalid truncate option - missing STORAGE keyword Cause:The STORAGE keyword was not specified with the DROP or REUSE options of the TRUNCATE command. ...
Oracle中的delete、truncate和drop 2019-12-05 15:04 − Oracle中的delete、truncate和drop(1)delete语句执行删除的过程是每次从表中删除一行,并且同时将该行的删除操作 作为事务记录在日志中保存以便进行进行回滚操作。truncate则... 清欢QQ 0 2373 mysql之drop、truncate和delete的区别 2019-09-27 11:44...
TRUNCATE statement: This command is used to delete all the rows from the table and free the space containing the table.SQL DROP Statement:The SQL DROP command is used to remove an object from the database. If you drop a table, all the rows in the table is deleted and the table ...
EXCHANGE PARTITION. // *Action: Before performing the above operations the table, disable the // foreign key constraints in other tables. You can see what // constraints are referencing a table by issuing the following // command: // SELECT * FROM USER_CONSTRAINTS WHERE TABLE_NAME = "tab...
Pl/SQL Truncate Table You should consider about using Truncate table statement in your Pl/SQL code. Truncate table have better performance but you cannot rollback data after truncate. Truncate table can be executed in combination with EXECUTE IMMEDIATE command in Pl/SQL code....