Know more about Oracle User Space Quota

Tablespace Quota 表空间限额是Oracle数据库中限制User使用空间的重要手段，我们来深入浅出地了解一下Space Quota在内部的实现：    

SQL> select  * from v$version;

BANNER
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Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE    10.2.0.5.0      Production
TNS for Linux: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production

SQL> select