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APPENDIX A QUICK REFERENCE TO SQL AND SQL*PLUS
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Manipulating SQL*Plus Scripts
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Note that most commands listed in this section are not available in iSQL*Plus. EDIT [file[.ext]] Start an external editor and open file.ext. Without an argument, EDIT edits the SQL buffer. GET file[.ext] [LIST|NOLIST] Load the contents of a file into the SQL buffer. REMARK [txt] Enter comments. Oracle ignores txt until the end of the current line. SAVE file[.ext] [CREATE|REPLACE|APPEND] Save the content of the SQL buffer in file.ext. STORE SET file[.ext] [CREATE|REPLACE|APPEND] Save the current SQL*Plus settings in file.ext. {START|@|@@} {url|script[.ext]} [arg1 arg2 ...] Execute script (default file extension SQL). Oracle substitutes arguments for variables &1, &2, and so on. WHENEVER OSERROR {EXIT [SUCCESS|FAILURE|n] [COMMIT|ROLLBACK] |CONTINUE [COMMIT|ROLLBACK|NONE]} Indicate what SQL*Plus should do in case of operating system error conditions. WHENEVER SQLERROR {EXIT [SUCCESS|FAILURE|WARNING|n] [COMMIT|ROLLBACK] |CONTINUE [COMMIT|ROLLBACK|NONE]} Indicate what SQL*Plus should do when SQL commands create error situations.
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SQL*Plus Interactivity Commands
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ACCEPT var [NUMBER|CHAR|DATE|BINARY_FLOAT|BINARY_DOUBLE] [FORMAT fmt] [DEFAULT dflt] [PROMPT txt|NOPROMPT] [HIDE] Prompt with txt and assign entered value to variable var. DEFINE [x[=txt]]
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APPENDIX A QUICK REFERENCE TO SQL AND SQL*PLUS
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Assign value txt to variable x; show current value for x, or show all defined variables. PAUSE [txt] Display txt (or an empty line) and wait for an Enter keypress. PROMPT [txt] Write txt (or an empty line) to the screen. UNDEFINE x Undefine variable x.
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Variables and Parameters
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&n Refer to a command-line parameter in a SQL*Plus script: &1 for the first argument, &2 for the second, and so on. Actually, the ampersand (&) is the default setting for the DEFINE character. See the SQL*Plus SET command. &var, &&var Refer to the value of variable var. If var is undefined, SQL*Plus prompts for a value; with & this happens each time, and with && only once (&& is an implicit DEFINE). . A period is the separator between variable names and following text (the CONCAT character). PRINT [var] Display the value of bind variable var, or all current bind variable values. SET sys-var value Assign values to SQL*Plus system variables. The following are common SQL*Plus system variables: APPINFO {ON|OFF|txt] ARRAYSIZE {15|n} AUTOCOMMIT {ON|OFF|IMMEDIATE|n} AUTOTRACE {ON|OFF|TRACEONLY} [EXPLAIN] [STATISTICS] CMDSEP {;|c|ON|OFF} COLSEP { |txt} PAGESIZE {14|n} PAUSE {ON|OFF|txt} RECSEP {WRAPPED|EACH|OFF} RECSEPCHAR { |c} SERVEROUTPUT {ON|OFF} [SIZE n] [FORMAT {WRAPPED|WORD_WRAPPED|TRUNC}] SHOWMODE {ON|OFF}
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APPENDIX A QUICK REFERENCE TO SQL AND SQL*PLUS
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CONCAT {.|c|ON|OFF} DEFINE {&|c|ON|OFF} DESCRIBE [DEPTH{1|n|ALL}] [LINENUM {ON|OFF}] [INDENT {ON|OFF}] ECHO {ON|OFF} EDITFILE name[.ext] ESCAPE {\|c|ON|OFF} FEEDBACK {6|n|ON|OFF} HEADING {ON|OFF} HEADSEP {||c|ON|OFF} INSTANCE [path|LOCAL] LINESIZE {80|n} LONG {80|n} MARKUP HTML [ON|OFF] [HEAD txt] [BODY txt] [TABLE txt] [ENTMAP {ON|OFF}] [SPOOL {ON|OFF}] [PREFORMAT {ON|OFF}] NEWPAGE {1|n|NONE} NULL txt NUMFORMAT fmt NUMWIDTH {10|n}
SQLBLANKLINES {ON|OFF} SQLCASE {MIXED|LOWER|UPPER} SQLCONTINUE {>|txt} SQLNUMBER {ON|OFF} SQLPREFIX {#|c} SQLPROMPT {SQL>|txt} SQLTERMINATOR {;|c|ON|OFF} SUFFIX {SQL|txt} TAB {ON|OFF} TERMOUT {ON|OFF} TIME {ON|OFF} TIMING {ON|OFF} TRIMOUT {ON|OFF}
TRIMSPOOL {ON|OFF} UNDERLINE {-|c|ON|OFF} VERIFY {ON|OFF} WRAP {ON|OFF}
SHOW [sys-var|USER|TTITLE|BTITLE|ERRORS|SPOOL|ALL] Display the specified value/setting, or display all settings (ALL). VARIABLE [var {NUMBER|CHAR[(n)]|VARCHAR2(n)| ...} Declare bind variable var, or display all declared bind variables. You can specify many more Oracle datatypes.
Formatting Query Results
BREAK [ON element [action [action]]] ... element ::= {col-name|expr|ROW|REPORT} action ::= [SKIP n|PAGE] [NODUPLICATES|DUPLICATES]
APPENDIX A QUICK REFERENCE TO SQL AND SQL*PLUS
Specify where and how you want to change query result formatting; for example, skip lines when column values change. BREAK without arguments shows the current break definition. The BREAK command always overwrites the current break definition. BTITLE [print-spec [txt|var] ...] | [OFF|ON] Define a footer (bottom title) for each page, or show the current BTITLE setting. See TTITLE for more details. CLEAR {BREAKS|BUFFER|COLUMNS|COMPUTES|SCREEN|SQL|TIMING} Reset the corresponding option. COLUMN [{col-name|expr} [option ...]] Display or change column display settings. COLUMN without arguments shows all current column settings. col-name (or expr) shows settings for that column. option ... changes column settings. The following are common COLUMN command options:
ENTMAP {ON|OFF} FOLD_AFTER ALIAS alias CLEAR FOLD_BEFORE FORMAT fmt (see Table A-3) LIKE {expr|alias} NEWLINE HEADING txt JUSTIFY {L|C|R} NEW_VALUE var {NOPRINT|PRINT} NULL str OLD_VALUE var {ON|OFF} {WRAP|WORD_WRAP|TRUNC}
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