sql in oracle
Nikola Cavar
nikola.cavar at hermes.si
Mon Sep 3 16:50:43 CEST 2001
Ziv!
Zanima me kako lahko z SQL stavk(i|om) najdem v kateri tabeli
in v katerem stolpcu se nahaja poljubna beseda.
spisek vseh stolpcev in podatek v kateri tabeli se le ti nahajao
je mozno dobiti v user_tab_columns.
> SQL> desc user_tab_columns
> Name Null? Type
> ------------------------------- -------- ----
> TABLE_NAME NOT NULL VARCHAR2(30)
> COLUMN_NAME NOT NULL VARCHAR2(30)
> DATA_TYPE VARCHAR2(30)
> DATA_TYPE_MOD VARCHAR2(3)
> DATA_TYPE_OWNER VARCHAR2(30)
> DATA_LENGTH NOT NULL NUMBER
> DATA_PRECISION NUMBER
> DATA_SCALE NUMBER
> NULLABLE VARCHAR2(1)
> COLUMN_ID NOT NULL NUMBER
> DEFAULT_LENGTH NUMBER
> DATA_DEFAULT LONG
> NUM_DISTINCT NUMBER
> LOW_VALUE RAW(32)
> HIGH_VALUE RAW(32)
> DENSITY NUMBER
> NUM_NULLS NUMBER
> NUM_BUCKETS NUMBER
> LAST_ANALYZED DATE
> SAMPLE_SIZE NUMBER
> CHARACTER_SET_NAME VARCHAR2(44)
> CHAR_COL_DECL_LENGTH NUMBER
lp, nino.
--
int a=10000,b,c=2800,d,e,f[2801],g;main(){for(;b-c;)f[b++]=a/5;for(;d=0,g=c*2;c
-=14,printf("%.4d",e+d/a),e=d%a)for(b=c;d+=f[b]*a,f[b]=d%--g,d/=g--,--b;d*=b);}
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