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INFO ½ÇÀü DB¸ðµ¨¸µ°ú SQL°úÁ¤

INFO

½ÇÀü DB¸ðµ¨¸µ°ú SQL°úÁ¤
Á¶È¸¼ö 1522
Á¦¸ñ Chapter8_°øÅëÄÚµåÀÇ ¼³°è : ¿¹Á¦¸ðÀ½
ÀÛ¼ºÀÚ °ü¸®ÀÚ
ÀÛ¼ºÀÏÀÚ 2021-12-03

¡á¿¹ 8_3_1  ||  ¸®Äõ½Ãºê - ÇÏÀ§ ¸Þ´º °Ë»ö
SELECT  LEVEL, LPAD(' ',4*LEVEL)|| MENU_ID, MENU_NAME
FROM     A_MENU_LIST
CONNECT BY PRIOR  MENU_ID = UPPER_MENU_ID
START WITH       MENU_ID = 'toc40000';



¡á¿¹ 8_3_2  ||  ¸®Äõ½Ãºê - ¸Þ´º¸¦ levelº°·Î Á¤·Ä
SELECT  LEVEL, LPAD(' ',4*LEVEL)||MENU_ID, MENU_NAME
FROM A_MENU_LIST
 CONNECT BY PRIOR MENU_ID = UPPER_MENU_ID
 START WITH MENU_ID IN (   -- ÃÖ»óÀ§ ¸Þ´º¸¦ ÃßÃâÇÑ´Ù.
                              SELECT  MENU_ID
                                     FROM  A_MENU_LIST
                                     WHERE   UPPER_MENU_ID IS NULL);



¡á¿¹ 8_3_3  ||  ¸®Äõ½Ãºê - »óÀ§ ¸Þ´º °Ë»ö
SELECT  LEVEL, LPAD(' ',4*LEVEL)|| MENU_ID, MENU_NAME
FROM   A_MENU_LIST
CONNECT BY PRIOR UPPER_MENU_ID = MENU_ID  
START WITH       MENU_ID = 'toc55556';



¡á[SQL 8_3_3]
____SELECT LPAD(' ', 2*LEVEL)||COL1, COL2 .
FROM TABLE_1
CONNECT BY PRIOR ID1 = UPPER_ID1
         AND PRIOR ID2 = UPPER_ID2
START WITH UPPER _ID1 = 'AAA'
         AND UPPER _ID2 = '100000';



¡á¿¹ 8_3_4  ||  ¸®Äõ½Ãºê - ƯÁ¤ °æ¿ì Á¦¿Ü
SELECT  LEVEL, LPAD(' ',4*LEVEL)|| MENU_ID, MENU_NAME
FROM     A_MENU_LIST
WHERE    MENU_ID <> 'toc40110' --ÀÌ Äڵ常 Á¦¿ÜÇÏ°í
CONNECT BY PRIOR  MENU_ID = UPPER_MENU_ID
START WITH       MENU_ID = 'toc40000';



¡á¿¹ 8_4_1  ||  Á¶ÀÎÀ¸·Î Á¶È¸
SELECT T1.SABUN, T1.NAME,
  --T1.POS_GBN_CODE, --'C03'
 T2.CODE_NAME, --Á÷À§
        --T1.CLASS_GBN_CODE, --'B01'
        T3.CODE_NAME, --µî±Þ
        T1.PHONE,
        T1.HP,
        T1.ADDR1,
        T1.JOIN_DAY
FROM INSA T1,
       CMM_CODE_DETAIL T2,
       CMM_CODE_DETAIL T3
WHERE T1.POS_GBN_CODE  = T2.CODE_NO(+)
AND   T2.CLASS_CODE(+)     = 'C03' --Á÷À§±¸ºÐÄÚµå
AND   T1.CLASS_GBN_CODE = T3.CODE_NO(+)
AND   T3.CLASS_CODE(+)     = 'B01' --µî±Þ±¸ºÐÄÚµå;



¡á¿¹ 8_4_2  ||  ¼­ºêÄõ¸® Á¶È¸
SELECT T1.SABUN, T1.NAME,
         --T1.POS_GBN_CODE, --'C03'
        ( SELECT CODE_NAME
          FROM CMM_CODE_DETAIL T2
          WHERE T1.POS_GBN_CODE = T2.CODE_NO
          AND T2.CLASS_CODE = 'C03' --Á÷À§±¸¹®ÄÚµå) AS POS_GBN_NAME, --Á÷À§¸í
        --T1.CLASS_GBN_CODE, --'B01'
        ( SELECT CODE_NAME
          FROM CMM_CODE_DETAIL T3
          WHERE T1.CLASS_GBN_CODE = T3.CODE_NO
          AND T3.CLASS_CODE = 'B01' --µî±Þ±¸ºÐÄÚµå) AS CLASS_GBN_NAME, --µî±Þ¸í
        T1.PHONE,
        T1.HP,
        T1.ADDR1,
        T1.JOIN_DAY
FROM INSA T1;



¡á¿¹ 8_4_3  || °øÅëÄÚµåÁ¶È¸ FUNCTION ÀÛ¼º
CREATE OR REPLACE FUNCTION GET_CMM_CODE_NAME
(V_CLASS_CODE IN CMM_CODE_DETAIL.CLASS_CODE%TYPE,
 V_CODE_NO IN CMM_CODE_DETAIL.CODE_NO%TYPE)
RETURN VARCHAR2
IS
V_CMM_CODE_NAME CMM_CODE_DETAIL.CODE_NAME%TYPE;

BEGIN

SELECT CODE_NAME
         INTO  V_CMM_CODE_NAME
         FROM____ CMM_CODE_DETAIL
         WHERE CODE_NO = V_CODE_NO
         AND CLASS_CODE = V_CLASS_CODE;
             
RETURN  V_CMM_CODE_NAME;
EXCEPTION
        WHEN NO_DATA_FOUND THEN
               RETURN  V_CMM_CODE_NAME;
               --DBMS_OUTPUT.PUT_LINE('ÀÔ·ÂÇÑ ÄÚµå´Â ¾ø½À´Ï´Ù.');
        WHEN TOO_MANY_ROWS THEN
               DBMS_OUTPUT.PUT_LINE('ÀÚ·á°¡ 2°Ç ÀÌ»óÀÔ´Ï´Ù.');
        WHEN OTHERS THEN
               DBMS_OUTPUT.PUT_LINE('±âŸ ¿¡·¯ÀÔ´Ï´Ù.');
END;
/



¡á¿¹ 8_4_4  ||  FUNCTION ÀÌ¿ëÇÑ °øÅëÄÚµå Á¶È¸
SELECT T1.SABUN, T1.NAME,
       --T1.POS_GBN_CODE, --'C03'
       GET_CMM_CODE_NAME('C03', T1.POS_GBN_CODE) AS  POS_GBN_NAME, --Á÷À§¸í
       GET_CMM_CODE_NAME('B01', T1.CLASS_GBN_CODE) AS  CLASS_GBN_NAME, --µî±Þ¸í
       T1.PHONE,
       T1.HP,
       T1.ADDR1,
       T1.JOIN_DAY
FROM INSA T1;

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