- enable or disable printing of column headings - set the number of lines per page SET system_variable value where system_variable and value represent one of the following clauses: APPI[NFO]{OFF|ON|text} NEWP[AGE] {1|n|NONE} ARRAY[SIZE] {15|n} NULL text AUTO[COMMIT] {OFF|ON|IMM[...
You can get a list of the set options in sqlplus with the command HELP SET APPI[NFO]{ON|OFF|text} Application info for performance monitor (seeDBMS_APPLICATION_INFO) ARRAY[SIZE] {15|n} Fetch size (1 to 5000) the number of rows that will be retrieved in one go. AUTO[COMMIT] {OFF...
-- Set signature prompt as username@database> -- First turn off terminal output, so that SQLPLUS will not -- print out the SQL result below settermoutoff define gname=idle columnglobal_name new_value gname SELECTLOWER(user) ||'@'|| SUBSTR(global_name, 1, DECODE(dot, 0, LENGTH(globa...
6. rowin是存储每条记录的实际物理地址,对记录的访问是基于rowid的,这是存取表中数据的最快的方法。 7. where字句不能够对group by的结果进行限定,需要用having限定。 8. 八、 insert insert into [col_name, col_name, col_name,…,] values(value, value, value, value,…); 在sqlplus下,可以用&字符...
包"set serveroutput on"导致编译错误是因为"set serveroutput on"是SQLPlus中的一个命令,而不是PL/SQL语言中的有效语句。在PL/SQL中,我们不能直接使用SQLPlus命令。 "set serveroutput on"是用来启用PL/SQL中的DBMS_OUTPUT.PUT_LINE语句输出到SQL*Plus会话的功能。它告诉数据库将DBMS_OUTPUT包中的输出缓冲区内容...
我们可以用TTITLE、BTITLE、COLUMN、BREAK ON、COMPUTE SUM及SET LINESIZE、SET PAGESIZE、SET NEWPAGE来设置查询结果的显示格式;在用SPOOL命令将显示结果输出到一个操作系统文件中去,一般输出文件的类型为.LST。建立简单报告主要使用下面命令来实现:1. SPOOL命令SPOOL...
1、sqlplus下执行set autotrace on 2、执行sql语句 1、set autotrace on 开启autotrace执行计划,输出运行结果 2、set autotrace off 停止autotrace... 查看原文 oracle set 配置 原文链接:http://www.cnblogs.com/atwanli/articles/8097758.html1.settimingon查看sql执行耗时2.SETAUTOTRACEON说明:设置允许对执行...
B.14) LPad and Rpad count in "display units" not characters. B.15) Using LIKE and INSTR. B.16) Character functions that are returning character values might silently truncate data. B.17) Column size double or triple when using (Materialized) Views / CTAS in an AL32UTF8 db and the db...
size of array fetch buffer PROCESS 1 yes number of scan process MAXBLOCKS split table if larger than MAXBLOCKS CAPTURE N capture convertible data SUPPRESS suppress error log by N per table FEEDBACK feedback progress every N rows BOUNDARIES list of column size boundaries for summary report LAST...
User: USER2 Table: TEST Column: NAME Type: VARCHAR2(30) Number of Exceptions: 2 Max Post Conversion Data Size: 11 ROWID Exception Type Size Cell Data(first 30 bytes) Language & Character Set --- --- --- --- --- AAAA2fAAFAABJwQAAt lossy conversion C'est français (French,UTF8) ...