Oracle的客户端工具

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入 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 欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入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 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]{ON|OFF|text} ARRAY[SIZE] {15|n} AUTO[COMMIT]{ON|OFF|IMM[EDIATE]|n} AUTOP[RINT] {ON|OFF} AUTORECOVERY [ON|OFF] AUTOT[RACE] {ON|OFF|TRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]] BLO[CKTERMINATOR] {.|c} CMDS[EP] {;|c|ON|OFF} COLSEP {_|text} COM[PATIBILITY]{V7|V8|NATIVE} CON[CAT] {.|c|ON|OFF} COPYC[OMMIT] {0|n} COPYTYPECHECK {ON|OFF} DEF[INE] {&|c|ON|OFF} DESCRIBE [DEPTH {1|n|ALL}][LINENUM {ON|OFF}][INDENT {ON|OFF}] ECHO {ON|OFF} EDITF[ILE] file_name[.ext] EMB[EDDED] {ON|OFF} ESC[APE] {\|c|ON|OFF} FEED[BACK] {6|n|ON|OFF} FLAGGER {OFF|ENTRY |INTERMED[IATE]|FULL} FLU[SH] {ON|OFF} HEA[DING] {ON|OFF} HEADS[EP] {||c|ON|OFF} INSTANCE [instance_path|LOCAL] LIN[ESIZE] {80|n} LOBOF[FSET] {n|1} LOGSOURCE [pathname] LONG {80|n} LONGC[HUNKSIZE] {80|n} MARK[UP] HTML [ON|OFF] [HEAD text] [BODY text] [ENTMAP {ON|OFF}] [SPOOL {ON|OFF}] [PRE[FORMAT] {ON|OFF}] NEWP[AGE] {1|n|NONE} NULL text NUMF[ORMAT] format NUM[WIDTH] {10|n} PAGES[IZE] {24|n} PAU[SE] {ON|OFF|text} RECSEP {WR[APPED]|EA[CH]|OFF} RECSEPCHAR {_|c} SERVEROUT[PUT] {ON|OFF} [SIZE n] [FOR[MAT] {WRA[PPED]|WOR[D_ WRAPPED]|TRU[NCATED]}] SHIFT[INOUT] {VIS[IBLE]|INV[ISIBLE]} SHOW[MODE] {ON|OFF} SQLBL[ANKLINES] {ON|OFF} SQLC[ASE] {MIX[ED]|LO[WER]|UP[PER]} SQLCO[NTINUE] {> |text} SQLN[UMBER] {ON|OFF} SQLPRE[FIX] {#|c} SQLP[ROMPT] {SQL>|text} SQLT[ERMINATOR] {;|c|ON|OFF} SUF[FIX] {SQL|text} TAB {ON|OFF} TERM[OUT] {ON|OFF} TI[ME] {ON|OFF} TIMI[NG] {ON|OFF} TRIM[OUT] {ON|OFF} TRIMS[POOL] {ON|OFF} UND[ERLINE] {-|c|ON|OFF} VER[IFY] {ON|OFF} WRA[P] {ON|OFF} [1] [2] [3] [4]