https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:89412348059 You Asked what is the use of TWO_TASK environment variable ? where can we use it ? and we said... If you are in a Unix environment, you can normally set 2 environment va…
1. 如何查看表的列名及类型 SQL> select column_name,data_type,data_length from all_tab_columns where owner='SCOTT' and table_name='EMP'; COLUMN_NAME DATA_TYPE DATA_LENGTH --------------- ---------- ----------- EMPNO ENAME JOB MGR HIREDATE DATE SAL COMM DEPTNO row…
一,sqlplus 环境变量 sqlplus的环境变量(来自SQL*Plus® User's Guide and Reference Release 11.2) Parameter or Variable Description LD_LIBRARY_PATH Environment variable to specify the path used to search for libraries on UNIX and Linux. The environment variable may h…
Today, organizations stores information(data) in different database systems. Each database system has a set of applications that run against it. This data is just bits and bytes on a file system - and only a database can turn the bits and bytes of da…
使用sys as sysdba权限进行EXP/IMP与其它用户稍有不同,详细内容如下(摘自metalink) Applies to: Oracle Server - Enterprise Edition - Version: 8.1.7.0 to 10.2.0.0 Oracle Server - Personal Edition - Version: 8.1.7.0 to 10.2.0.0 Oracle Server - Standard Edition - Version: 8.1.7.0 t…