Oracle

1. View Tablespace usage informationSelect A.tablespace_name "Table space name",Total "Table space size",Free "Table space remaining size",(total-free) "Table space usage size",Total /(1024 * 1024 * 1024) "Table space Size (G)",Free /(1024 * 1024 * 1

Start_ip_num = Rset->getnumber (1);End_ip_num = Rset->getnumber (2);2988 Info_log ("getiplibraryfromoracle data rset [%zu,%zu,%d]\n", Rset->getnumber (1), Rset->getnumber (2), rset- >getnumber (3));Src/resulttodb.cpp:2988:warning:cannot Pass objects

Create User Sql> create user tpcc identified by tpcc default tablespace  tpcc temporary tablespace temp; User created. sql> set line 200sql> col username for a30sql> col  Account_status for a20sql> select username,account_status,created from dba_

Stored Procedures1. Basic structure:create [or Replace] procedure procedure_name[(parameter 1, Parameter 2,,,)]as ----or is, can not omit variable declarations ----can omit beginexceptionend ;/Note : The code is stored on

Classification of databases1. Small database access, foxbase load is small, 1000 people, such as message book, within the cost of thousands of dollars2. Medium database SQL Server, MySQL, Informix Daily visit volume 10000--15000, cost in million3.

BBED simulate table data block corruption 1. create a test table SQL> conn tes1t/test 1Connected. SQL> create table testbbed as select * from dba_tables; Table created. SQL> col segment_name format a20; SQL> select segment_name, file_id, block_id