COL[UMN] [{ column|expr} [ option ...]] Option选项可以是如下的子句: ALI[AS] alias CLE[AR] FOLD_A[FTER] FOLD_B[EFORE] FOR[MAT] format HEA[DING] text JUS[TIFY] {L[EFT]|C[ENTER]|C[ENTRE]|R[IGHT]} LIKE { expr|alias} NEWL[INE] NEW_V[ALUE] variable NOPRI[NT]|PRI[NT] N...
Specifies display attributes for a given column, such as: - text for the column heading - alignment for the column heading - format for NUMBER data - wrapping of column data Also lists the current display attributes for a single column or all columns. COL[UMN] [{column | expr} [option ....
#利用COL column NEW_VALUE variable定义变量 #sqlplus执行完后最后返回值为v_coun #利用$?将最后返回值赋值给VALUE,也即为test的记录数 sqlplus -S /nolog <<EOF set heading off feedback off pagesize 0 verify off echo off conn oracle/oracle@oracle col coun new_value v_coun select count(*) coun...
COLUMN column_name HEADING column_heading For example: Sql>select * from dept; DEPTNO DNAME LOC 10 ACCOUNTING NEW YORK sql>col LOC heading location sql>select * from dept; DEPTNO DNAME location 10 ACCOUNTING NEW YORK 2). 将列名ENAME改为新列名EMPLOYEE NAME并将新列名放在两行上: Sql...
NEW_V[ALUE] variable 指定一个变量容纳查询出的列值。 例:column col_name new_value var_name noprint select col_name from table_name where …….. 将下面查询出的col_name列的值赋给var_name变量. 一个综合的例子: 得到一个列值的两次查询之差(此例为10秒之内共提交了多少事务): ...
set echo on 可以通过运行mystat,mystat2计算差值 @mystat “redo size” update 。。。 @mystat2 可以看到update使用了多少redo column value new_val V 把第一次运行的value保存为V define S="&1" 定义S 在sqlplus命令下,可以使用&1...&n接受参数...
column global_name new_value gname set termout off define gname=idle column global_name new_value gname select lower(user) || '@' || substr( global_name, 1, decode( dot, 0, length(global_name), dot-1) ) global_name from (select global_name, instr(global_name,'.') dot from gl...
COL[UMN][{column|expr}[option...]] Option选项可以是如下的子句: ALI[AS]alias CLE[AR] FOLD_A[FTER] FOLD_B[EFORE] FOR[MAT]format HEA[DING]text JUS[TIFY]{L[EFT]|C[ENTER]|C[ENTRE]|R[IGHT]} LIKE{expr|alias} NEWL[INE] NEW_V[ALUE]variable NOPRI[NT]|PRI[NT] NUL[L]text OLD_V...
col global_name new_value gname define gname=idle column global_name new_value gname selectlower(user)||'@'||substr(global_name,1,decode(dot,0,length(global_name),dot-1))global_namefrom(select global_name,instr(global_name,'.')dot from global_name);setsqlprompt'&gname _DATE> '--...
column plan_plus_exp format a80 --设置SQLPLUS提示符,显示格式为用户@数据库名 column global_name new_value gname set termout off define gname=idle column global_name new_value gname select lower(user) ||'@'|| substr(global_name,1,decode(dot,0,length(global_name),dot-1)) global_name ...