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COL1 ----- HOW ARE YOU?

SQL> COL COL1 WORD_WRAPPED COL1 ----- HOW A

9). ÏÔʾÁеĵ±Ç°µÄÏÔʾÊôÐÔÖµ SQL> COLUMN column_name

10). ½«ËùÓÐÁеÄÏÔʾÊôÐÔÉèΪȱʡֵ SQL> CLEAR COLUMNS

8. ÆÁ±ÎµôÒ»¸öÁÐÖÐÏÔʾµÄÏàͬµÄÖµ 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. ÔÚÉÏÃæÆÁ±ÎµôÒ»¸öÁÐÖÐÏÔʾµÄÏàͬµÄÖµµÄÏÔʾÖУ¬Ã¿µ±ÁÐÖµ±ä»¯Ê±ÔÚÖµ±ä»¯Ö®Ç°²åÈën¸ö¿ÕÐС£

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. ÏÔʾ¶ÔBREAKµÄÉèÖà SQL> BREAK

11. ɾ³ý6¡¢7µÄÉèÖà SQL> CLEAR BREAKS

12. Set ÃüÁ

¸ÃÃüÁî°üº¬Ðí¶à×ÓÃüÁ

SET system_variable value

system_variable value ¿ÉÒÔÊÇÈçϵÄ×Ó¾äÖ®Ò»£º 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}] L

{ON|OFF}] [PRE[FORMAT] {ON|OFF}]

[SPOONEWP[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). ÉèÖõ±Ç°sessionÊÇ·ñ¶ÔÐ޸ĵÄÊý¾Ý½øÐÐ×Ô¶¯Ìá½» SQL>SET AUTO[COMMIT] {ON|OFF|IMM[EDIATE]| n}

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SQL> SET HEA[DING] {ON|OFF}

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SQL> SET NEWP[AGE] {1|n|NONE}

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8).ÉèÖÃÒ»Ò³ÓжàÉÙÐÐÊý

SQL> SET PAGES[IZE] {24|n}

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12).½«SPOOLÊä³öÖÐÿÐкóÃæ¶àÓàµÄ¿Õ¸ñÈ¥µô SQL> SET TRIMS[OUT] {ON|OFF}

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