oracel—sql plus
SQL> col ename justify center
SQL> /
EMPNO ENAME JOB
---------- ---------------------------------------- ---------
7369 SMITH CLERK
7499 ALLEN SALESMAN
7521 WARD SALESMAN
对于NUMBER型的列，列标题缺省在右边，其它类型的列标题缺省在左边
5). 不让一个列显示在屏幕上
NOPRI[NT]PRI[NT]
SQL> col job noprint
SQL> /
EMPNO ENAME
---------- ----------------------------------------
7369 SMITH
7499 ALLEN
7521 WARD
6). 格式化NUMBER类型列的显示：
SQL> COLUMN SAL FORMAT $99,990
SQL> /
Employee
Department Name Salary Commission
---------- ---------- --------- ----------
30 ALLEN $1,600 300
7). 显示列值时，如果列值为NULL值，用text值代替NULL值
COMM NUL[L] text
SQL>COL COMM NUL[L] text
8). 设置一个列的回绕方式
WRA[PPED]WOR[D_WRAPPED]TRU[NCATED]
COL1
--------------------
HOW ARE YOU?
SQL>COL COL1 FORMAT A5
SQL>COL COL1 WRAPPED
COL1
-----
HOW A
RE YO
U?
SQL> COL COL1 Word_WRAPPED
COL1
-----
HOW
ARE
YOU?
SQL> COL COL1 WORD_WRAPPED
COL1
-----
HOW A
9). 显示列的当前的显示属性值
SQL> COLUMN column_name
10). 将所有列的显示属性设为缺省值
SQL> CLEAR COLUMNS
8. 屏蔽掉一个列中显示的相同的值
BREAK ON break_column
SQL> BREAK ON DEPTNO
SQL> SELECT DEPTNO, ENAME, SAL
FROM EMP
WHERE SAL < 2500
ORDER BY DEPTNO;
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
9. 在上面屏蔽掉一个列中显示的相同的值的显示中，每当列值变化时在值变化之前插入n个空行。
BREAK ON break_column SKIP n
SQL> BREAK ON DEPTNO SKIP 1
SQL> /
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
10. 显示对BREAK的设置
SQL> BREAK
11. 删除6、7的设置
SQL> CLEAR BREAKS
12. Set 命令：
该命令包含许多子命令：
SET system_variable value
system_variable value 可以是如下的子句之一：
APPI[NFO]{ONOFFtext}
ARRAY[SIZE] {15n}
AUTO[COMMIT]{ONOFFIMM[EDIATE]n}
AUTOP[RINT] {ONOFF}
AUTORECOVERY [ONOFF]
AUTOT[RACE] {ONOFFTRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]]
BLO[CKTERMINATOR] {.c}
CMDS[EP] {;cONOFF}
COLSEP {_text}
COM[PATIBILITY]{V7V8NATIVE}
CON[CAT] {.cONOFF}
COPYC[OMMIT] {0n}
COPYTYPECHECK {ONOFF}
DEF[INE] {&cONOFF}
DESCRIBE [DEPTH {1nALL}][LINENUM {ONOFF}][INDENT {ONOFF}]
ECHO {ONOFF}
EDITF[ILE] file_name[.ext]
EMB[EDDED] {ONOFF}
ESC[APE] {/cONOFF}
FEED[BACK] {6nONOFF}
FLAGGER {OFFENTRY INTERMED[IATE]FULL}
FLU[SH] {ONOFF}
HEA[DING] {ONOFF}
HEADS[EP] {cONOFF}
SQL> col ename justify center
SQL> /
EMPNO ENAME JOB
---------- ---------------------------------------- ---------
7369 SMITH CLERK
7499 ALLEN SALESMAN
7521 WARD SALESMAN
对于NUMBER型的列，列标题缺省在右边，其它类型的列标题缺省在左边
5). 不让一个列显示在屏幕上
NOPRI[NT]PRI[NT]
SQL> col job noprint
SQL> /
EMPNO ENAME
---------- ----------------------------------------
7369 SMITH
7499 ALLEN
7521 WARD
6). 格式化NUMBER类型列的显示：
SQL> COLUMN SAL FORMAT $99,990
SQL> /
Employee
Department Name Salary Commission
---------- ---------- --------- ----------
30 ALLEN $1,600 300
7). 显示列值时，如果列值为NULL值，用text值代替NULL值
COMM NUL[L] text
SQL>COL COMM NUL[L] text
8). 设置一个列的回绕方式
WRA[PPED]WOR[D_WRAPPED]TRU[NCATED]
COL1
--------------------
HOW ARE YOU?
SQL>COL COL1 FORMAT A5
SQL>COL COL1 WRAPPED
COL1
-----
HOW A
RE YO
U?
SQL> COL COL1 Word_WRAPPED
COL1
-----
HOW
ARE
YOU?
SQL> COL COL1 WORD_WRAPPED
COL1
-----
HOW A
9). 显示列的当前的显示属性值
SQL> COLUMN column_name
10). 将所有列的显示属性设为缺省值
SQL> CLEAR COLUMNS
8. 屏蔽掉一个列中显示的相同的值
BREAK ON break_column
SQL> BREAK ON DEPTNO
SQL> SELECT DEPTNO, ENAME, SAL
FROM EMP
WHERE SAL < 2500
ORDER BY DEPTNO;
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
9. 在上面屏蔽掉一个列中显示的相同的值的显示中，每当列值变化时在值变化之前插入n个空行。
BREAK ON break_column SKIP n
SQL> BREAK ON DEPTNO SKIP 1
SQL> /
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
10. 显示对BREAK的设置
SQL> BREAK
11. 删除6、7的设置
SQL> CLEAR BREAKS
12. Set 命令：
该命令包含许多子命令：
SET system_variable value
system_variable value 可以是如下的子句之一：
APPI[NFO]{ONOFFtext}
ARRAY[SIZE] {15n}
AUTO[COMMIT]{ONOFFIMM[EDIATE]n}
AUTOP[RINT] {ONOFF}
AUTORECOVERY [ONOFF]
AUTOT[RACE] {ONOFFTRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]]
BLO[CKTERMINATOR] {.c}
CMDS[EP] {;cONOFF}
COLSEP {_text}
COM[PATIBILITY]{V7V8NATIVE}
CON[CAT] {.cONOFF}
COPYC[OMMIT] {0n}
COPYTYPECHECK {ONOFF}
DEF[INE] {&cONOFF}
DESCRIBE [DEPTH {1nALL}][LINENUM {ONOFF}][INDENT {ONOFF}]
ECHO {ONOFF}
EDITF[ILE] file_name[.ext]
EMB[EDDED] {ONOFF}
ESC[APE] {/cONOFF}
FEED[BACK] {6nONOFF}
FLAGGER {OFFENTRY INTERMED[IATE]FULL}
FLU[SH] {ONOFF}
HEA[DING] {ONOFF}
HEADS[EP] {cONOFF}
INSTANCE [instance_pathLOCAL]
LIN[ESIZE] {80n}
LOBOF[FSET] {n1}
LOGSOURCE [pathname]
LONG {80n}
LONGC[HUNKSIZE] {80n}
MARK[UP] Html [ONOFF] [HEAD text] [BODY text] [ENTMAP {ONOFF}] [SPOOL
{ONOFF}] [PRE[FORMAT] {ONOFF}]
NEWP[AGE] {1nNONE}
NULL text
NUMF[ORMAT] format
NUM[WIDTH] {10n}
PAGES[IZE] {24n}
PAU[SE] {ONOFFtext}
RECSEP {WR[APPED]EA[CH]OFF}
RECSEPCHAR {_c}
SERVEROUT[PUT] {ONOFF} [SIZE n] [FOR[MAT] {WRA[PPED]WOR[D_
WRAPPED]TRU[NCATED]}]
SHIFT[INOUT] {VIS[IBLE]INV[ISIBLE]}
SHOW[MODE] {ONOFF}
SQLBL[ANKLINES] {ONOFF}
SQLC[ASE] {MIX[ED]LO[WER]UP[PER]}
SQLCO[NTINUE] {> text}
SQLN[UMBER] {ONOFF}
SQLPRE[FIX] {#c}
SQLP[ROMPT] {SQL>text}
SQLT[ERMINATOR] {;cONOFF}
SUF[FIX] {SQLtext}
TAB {ONOFF}
TERM[OUT] {ONOFF}
TI[ME] {ONOFF}
TIM
SQL> /
EMPNO ENAME JOB
---------- ---------------------------------------- ---------
7369 SMITH CLERK
7499 ALLEN SALESMAN
7521 WARD SALESMAN
对于NUMBER型的列，列标题缺省在右边，其它类型的列标题缺省在左边
5). 不让一个列显示在屏幕上
NOPRI[NT]PRI[NT]
SQL> col job noprint
SQL> /
EMPNO ENAME
---------- ----------------------------------------
7369 SMITH
7499 ALLEN
7521 WARD
6). 格式化NUMBER类型列的显示：
SQL> COLUMN SAL FORMAT $99,990
SQL> /
Employee
Department Name Salary Commission
---------- ---------- --------- ----------
30 ALLEN $1,600 300
7). 显示列值时，如果列值为NULL值，用text值代替NULL值
COMM NUL[L] text
SQL>COL COMM NUL[L] text
8). 设置一个列的回绕方式
WRA[PPED]WOR[D_WRAPPED]TRU[NCATED]
COL1
--------------------
HOW ARE YOU?
SQL>COL COL1 FORMAT A5
SQL>COL COL1 WRAPPED
COL1
-----
HOW A
RE YO
U?
SQL> COL COL1 Word_WRAPPED
COL1
-----
HOW
ARE
YOU?
SQL> COL COL1 WORD_WRAPPED
COL1
-----
HOW A
9). 显示列的当前的显示属性值
SQL> COLUMN column_name
10). 将所有列的显示属性设为缺省值
SQL> CLEAR COLUMNS
8. 屏蔽掉一个列中显示的相同的值
BREAK ON break_column
SQL> BREAK ON DEPTNO
SQL> SELECT DEPTNO, ENAME, SAL
FROM EMP
WHERE SAL < 2500
ORDER BY DEPTNO;
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
9. 在上面屏蔽掉一个列中显示的相同的值的显示中，每当列值变化时在值变化之前插入n个空行。
BREAK ON break_column SKIP n
SQL> BREAK ON DEPTNO SKIP 1
SQL> /
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
10. 显示对BREAK的设置
SQL> BREAK
11. 删除6、7的设置
SQL> CLEAR BREAKS
12. Set 命令：
该命令包含许多子命令：
SET system_variable value
system_variable value 可以是如下的子句之一：
APPI[NFO]{ONOFFtext}
ARRAY[SIZE] {15n}
AUTO[COMMIT]{ONOFFIMM[EDIATE]n}
AUTOP[RINT] {ONOFF}
AUTORECOVERY [ONOFF]
AUTOT[RACE] {ONOFFTRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]]
BLO[CKTERMINATOR] {.c}
CMDS[EP] {;cONOFF}
COLSEP {_text}
COM[PATIBILITY]{V7V8NATIVE}
CON[CAT] {.cONOFF}
COPYC[OMMIT] {0n}
COPYTYPECHECK {ONOFF}
DEF[INE] {&cONOFF}
DESCRIBE [DEPTH {1nALL}][LINENUM {ONOFF}][INDENT {ONOFF}]
ECHO {ONOFF}
EDITF[ILE] file_name[.ext]
EMB[EDDED] {ONOFF}
ESC[APE] {/cONOFF}
FEED[BACK] {6nONOFF}
FLAGGER {OFFENTRY INTERMED[IATE]FULL}
FLU[SH] {ONOFF}
HEA[DING] {ONOFF}
HEADS[EP] {cONOFF}
SQL> col ename justify center
SQL> /
EMPNO ENAME JOB
---------- ---------------------------------------- ---------
7369 SMITH CLERK
7499 ALLEN SALESMAN
7521 WARD SALESMAN
对于NUMBER型的列，列标题缺省在右边，其它类型的列标题缺省在左边
5). 不让一个列显示在屏幕上
NOPRI[NT]PRI[NT]
SQL> col job noprint
SQL> /
EMPNO ENAME
---------- ----------------------------------------
7369 SMITH
7499 ALLEN
7521 WARD
6). 格式化NUMBER类型列的显示：
SQL> COLUMN SAL FORMAT $99,990
SQL> /
Employee
Department Name Salary Commission
---------- ---------- --------- ----------
30 ALLEN $1,600 300
7). 显示列值时，如果列值为NULL值，用text值代替NULL值
COMM NUL[L] text
SQL>COL COMM NUL[L] text
8). 设置一个列的回绕方式
WRA[PPED]WOR[D_WRAPPED]TRU[NCATED]
COL1
--------------------
HOW ARE YOU?
SQL>COL COL1 FORMAT A5
SQL>COL COL1 WRAPPED
COL1
-----
HOW A
RE YO
U?
SQL> COL COL1 Word_WRAPPED
COL1
-----
HOW
ARE
YOU?
SQL> COL COL1 WORD_WRAPPED
COL1
-----
HOW A
9). 显示列的当前的显示属性值
SQL> COLUMN column_name
10). 将所有列的显示属性设为缺省值
SQL> CLEAR COLUMNS
8. 屏蔽掉一个列中显示的相同的值
BREAK ON break_column
SQL> BREAK ON DEPTNO
SQL> SELECT DEPTNO, ENAME, SAL
FROM EMP
WHERE SAL < 2500
ORDER BY DEPTNO;
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
9. 在上面屏蔽掉一个列中显示的相同的值的显示中，每当列值变化时在值变化之前插入n个空行。
BREAK ON break_column SKIP n
SQL> BREAK ON DEPTNO SKIP 1
SQL> /
DEPTNO ENAME SAL
---------- ----------- ---------
10 CLARK 2450
MILLER 1300
20 SMITH 800
ADAMS 1100
10. 显示对BREAK的设置
SQL> BREAK
11. 删除6、7的设置
SQL> CLEAR BREAKS
12. Set 命令：
该命令包含许多子命令：
SET system_variable value
system_variable value 可以是如下的子句之一：
APPI[NFO]{ONOFFtext}
ARRAY[SIZE] {15n}
AUTO[COMMIT]{ONOFFIMM[EDIATE]n}
AUTOP[RINT] {ONOFF}
AUTORECOVERY [ONOFF]
AUTOT[RACE] {ONOFFTRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]]
BLO[CKTERMINATOR] {.c}
CMDS[EP] {;cONOFF}
COLSEP {_text}
COM[PATIBILITY]{V7V8NATIVE}
CON[CAT] {.cONOFF}
COPYC[OMMIT] {0n}
COPYTYPECHECK {ONOFF}
DEF[INE] {&cONOFF}
DESCRIBE [DEPTH {1nALL}][LINENUM {ONOFF}][INDENT {ONOFF}]
ECHO {ONOFF}
EDITF[ILE] file_name[.ext]
EMB[EDDED] {ONOFF}
ESC[APE] {/cONOFF}
FEED[BACK] {6nONOFF}
FLAGGER {OFFENTRY INTERMED[IATE]FULL}
FLU[SH] {ONOFF}
HEA[DING] {ONOFF}
HEADS[EP] {cONOFF}
INSTANCE [instance_pathLOCAL]
LIN[ESIZE] {80n}
LOBOF[FSET] {n1}
LOGSOURCE [pathname]
LONG {80n}
LONGC[HUNKSIZE] {80n}
MARK[UP] Html [ONOFF] [HEAD text] [BODY text] [ENTMAP {ONOFF}] [SPOOL
{ONOFF}] [PRE[FORMAT] {ONOFF}]
NEWP[AGE] {1nNONE}
NULL text
NUMF[ORMAT] format
NUM[WIDTH] {10n}
PAGES[IZE] {24n}
PAU[SE] {ONOFFtext}
RECSEP {WR[APPED]EA[CH]OFF}
RECSEPCHAR {_c}
SERVEROUT[PUT] {ONOFF} [SIZE n] [FOR[MAT] {WRA[PPED]WOR[D_
WRAPPED]TRU[NCATED]}]
SHIFT[INOUT] {VIS[IBLE]INV[ISIBLE]}
SHOW[MODE] {ONOFF}
SQLBL[ANKLINES] {ONOFF}
SQLC[ASE] {MIX[ED]LO[WER]UP[PER]}
SQLCO[NTINUE] {> text}
SQLN[UMBER] {ONOFF}
SQLPRE[FIX] {#c}
SQLP[ROMPT] {SQL>text}
SQLT[ERMINATOR] {;cONOFF}
SUF[FIX] {SQLtext}
TAB {ONOFF}
TERM[OUT] {ONOFF}
TI[ME] {ONOFF}
TIM