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 ×îÐÂÎÄÕ : Oracle

Oracle ¶¯Ì¬SQL·µ»Øµ¥Ìõ½á¹ûºÍ½á¹û¼¯

Oracle ¶¯Ì¬SQL·µ»Øµ¥Ìõ½á¹ûºÍ½á¹û¼¯
1. DDL ºÍ DML
/**//*** DDL ***/
begin
    EXECUTE IMMEDIATE 'drop table temp_1';
    EXECUTE IMMEDIATE 'create table temp_1(name varchar2(8))';
end;
/**//*** DML ***/
declare
    v_1 varchar2(8);
    v_2 varchar2(10);
    str varchar2(50);
begin
    v_1:='²âÊÔÈËÔ±';
    v_2:='±±¾©';
    str := 'INSERT INTO test (name ,address) VALUES (:1, :2)';
    EXECUTE IMMEDIATE str USING v_1, v_2;
    commit;
end;
2. ·µ»Øµ¥Ìõ½á¹û
declare
    str varchar2(500);
    c_1 varchar2(10);
    r_1 test%rowtype;
begin
    c_1:='²âÊÔÈËÔ±';
    str:='select * from test where name=:c WHERE ROWNUM=1';
    execute immediate str into r_1 using c_1;
    DBMS_OUTPUT.PUT_LINE(R_ ......

Oracle ¶¯Ì¬SQL·µ»Øµ¥Ìõ½á¹ûºÍ½á¹û¼¯

Oracle ¶¯Ì¬SQL·µ»Øµ¥Ìõ½á¹ûºÍ½á¹û¼¯
1. DDL ºÍ DML
/**//*** DDL ***/
begin
    EXECUTE IMMEDIATE 'drop table temp_1';
    EXECUTE IMMEDIATE 'create table temp_1(name varchar2(8))';
end;
/**//*** DML ***/
declare
    v_1 varchar2(8);
    v_2 varchar2(10);
    str varchar2(50);
begin
    v_1:='²âÊÔÈËÔ±';
    v_2:='±±¾©';
    str := 'INSERT INTO test (name ,address) VALUES (:1, :2)';
    EXECUTE IMMEDIATE str USING v_1, v_2;
    commit;
end;
2. ·µ»Øµ¥Ìõ½á¹û
declare
    str varchar2(500);
    c_1 varchar2(10);
    r_1 test%rowtype;
begin
    c_1:='²âÊÔÈËÔ±';
    str:='select * from test where name=:c WHERE ROWNUM=1';
    execute immediate str into r_1 using c_1;
    DBMS_OUTPUT.PUT_LINE(R_ ......

OracleµÄsqlÓï¾äÓÅ»¯

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£¨2£©WHERE×Ó¾äÖеÄÁ¬½Ó˳Ðò£º
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£¨3£©SELECT×Ó¾äÖбÜÃâʹÓÑ*’£º
OracleÔÚ½âÎöµÄ¹ý³ÌÖÐ, »á½«‘*’ÒÀ´Îת»»³ÉËùÓеÄÁÐÃû, Õâ¸ö¹¤×÷ÊÇͨ¹ý²éѯÊý¾Ý×ÖµäÍê³ÉµÄ, ÕâÒâζ׎«ºÄ·Ñ¸ü¶àµÄʱ¼ä¡£
£¨4£©¼õÉÙ·ÃÎÊÊý¾Ý¿âµÄ´ÎÊý£º
OracleÔÚÄÚ²¿Ö´ÐÐÁËÐí¶à¹¤×÷: ½âÎöSQLÓï¾ä, ¹ÀËãË÷ÒýµÄÀûÓÃÂÊ, °ó¶¨±äÁ¿ , ¶ ......

OracleµÄsqlÓï¾äÓÅ»¯

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OracleµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í(»ù´¡±í driving table)½«±»×îÏÈ´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏÂ,Äã±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í¡£Èç¹ûÓÐ3¸öÒÔÉϵıíÁ¬½Ó²éѯ, ÄǾÍÐèҪѡÔñ½»²æ±í(intersection table)×÷Ϊ»ù´¡±í, ½»²æ±íÊÇÖ¸ÄǸö±»ÆäËû±íËùÒýÓÃµÄ±í¡£
£¨2£©WHERE×Ó¾äÖеÄÁ¬½Ó˳Ðò£º
Oracle²ÉÓÃ×Ô϶øÉϵÄ˳Ðò½âÎöWHERE×Ó¾ä,¸ù¾ÝÕâ¸öÔ­Àí,±íÖ®¼äµÄÁ¬½Ó±ØÐëдÔÚÆäËûWHEREÌõ¼þ֮ǰ, ÄÇЩ¿ÉÒÔ¹ýÂ˵ô×î´óÊýÁ¿¼Ç¼µÄÌõ¼þ±ØÐëдÔÚWHERE×Ó¾äµÄĩβ¡£
£¨3£©SELECT×Ó¾äÖбÜÃâʹÓÑ*’£º
OracleÔÚ½âÎöµÄ¹ý³ÌÖÐ, »á½«‘*’ÒÀ´Îת»»³ÉËùÓеÄÁÐÃû, Õâ¸ö¹¤×÷ÊÇͨ¹ý²éѯÊý¾Ý×ÖµäÍê³ÉµÄ, ÕâÒâζ׎«ºÄ·Ñ¸ü¶àµÄʱ¼ä¡£
£¨4£©¼õÉÙ·ÃÎÊÊý¾Ý¿âµÄ´ÎÊý£º
OracleÔÚÄÚ²¿Ö´ÐÐÁËÐí¶à¹¤×÷: ½âÎöSQLÓï¾ä, ¹ÀËãË÷ÒýµÄÀûÓÃÂÊ, °ó¶¨±äÁ¿ , ¶ ......

MySQLÄ£ÄâOracleµÄSequenceÁ½ÖÖ·½·¨


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MySQLÄ£ÄâOracleµÄSequenceÁ½ÖÖ·½·¨


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/* Style Definitions */
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@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;
mso-header-margin:.5in;
mso-footer-margin:.5in;
mso-paper-source:0;}
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ORACLE°²×°Ö®ºóµÇ½Éí·ÝÖ¤Ã÷²»ÕýÈ·

2009-01-02 10:02
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VTK-1000£ºÎÞ·¨Á¬½Óµ½Management server¡£ÇëÑéÖ¤ÄúÒÑÊäÈëOracle Management ServerµÄÕýÈ·Ö÷»úÃûºÍ״̬¡£
 
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1¡¢“¿ªÊ¼→³ÌÐò→Oracle→OraHome92→Configuration and Migration”£¬Ê¹ÓÃÆäÖеēEnterprise Manager Configuration Assistant”³ÌÐòÅäÖñ¾»úµÄOracle Management Server£¬´´½¨Ò»¸öеĵµ°¸×ÊÁϿ⡣
2¡¢µÇ¼Oracle Management Server
     ½¨Á¢Íê×ÊÁϵµ°¸¿âºó£¬¾Í¿ÉÒÔʹÓÃOEMÁË¡£Çë°´ÈçϲÙ×÷½øÐУº
    “ ......

oracle management server£¨oms£©Æô¶¯ÎÊÌâ

 
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