·Î±×ÀÎ
¸¶ÀÌÆäÀÌÁö
ÀÌ¿ë¾È³»
°í°´¼¾ÅÍ
¼ºñ½º¾È³»
Áñ°Üã±â
JAVA
½ÅÀÔ»ç¿ø
PHP
ASP
³×Æ®¿öÅ©
°æ·Â»ç¿ø
DBA
°³ÀÎ
±â¾÷
¼Ä¡Æß
Ä¿¹Â´ÏƼ
°Ô½ÃÆÇ
ÀÚÀ¯°Ô½ÃÆÇ
IT ±³À°/±¹ºñÁö¿ø/¼¼¹Ì³ª
¹«·á ¹è³Ê½Åû °Ô½ÃÆÇ
IT ´º½º(NEWS)
ȸ¿ø¿ë ÀÚ·á½Ç
°¶·¯¸®
ȸ¿ø¿ë °¶·¯¸®
ºñȸ¿ø¿ë °¶·¯¸®
À¥Áø°Ô½ÃÆÇ
ȸ¿ø¿ë °Ô½ÃÆÇ
ºñȸ¿ø¿ë °Ô½ÃÆÇ
IT ±³À°/±¹ºñÁö¿ø/¼¼¹Ì³ª
[±¹ºñÁö¿ø] SQL È°¿ë°ú ¿À¶óŬ(Oracle) Hint¸¦ ÀÌ¿ëÇÑ SQLÆ©´× ÀçÁ÷ÀÚÇâ»ó°úÁ¤
ÀÛ¼ºÀÚ:
žũ¸®¿¡µà
̵̧:
0°Ç
¹Ý´ë:
0°Ç
Á¶È¸:
748
µî·ÏÀÏ:
2019-01-10
SQL È°¿ë°ú ¿À¶óŬ(Oracle)
Hint¸¦ ÀÌ¿ëÇÑ SQLÆ©´× ÀçÁ÷ÀÚ
Çâ»ó°úÁ¤
ÆòÀÏÁÖ°£
:
http://topcredu.co.kr/sub/crcl/view/db/2257
ÁÖ¸»ÁÖ°£
:
http://topcredu.co.kr/sub/crcl/view/db/2325
¡Ú ±³À°°³¿ä ¡Ú
ÀçÁ÷ÀÚ°¡ ¾Æ´Ñ °æ¿ì ±¹ºñÁö¿ø¾øÀÌ Àü¾× ÀںδãÀ¸·Î ¼ö° °¡´É ÇÕ´Ï´Ù.
[±¹ºñÁö¿ø]
ÇÁ·Î±×·¥ °³¹ß ½Ã °³¹ßÀÚµéÀÌ °¡Àå ¸¹ÀÌ Á¢ÇÏ´Â SQL »ç¿ë¹ý¿¡ ÁßÁ¡À» µÐ °Á·μ ±âº»ÀûÀÎ SQL»ç¿ë¹ý ºÎÅÍ ,SQL*Plus»ç¿ë¹ý, SQLÇÔ¼ö, ¼ºêÄõ¸®, Á¶ÀÎ, ±×·ìÇÔ¼ö, ºÐ¼®ÇÔ¼ö¿¡ ´ëÇØ ÁýÁßÀûÀ¸·Î ÇнÀÇÏ¸ç °³¹ßÀÚ°¡ ¹Ýµå½Ã ¾Ë¾Æ¾ß ÇÏ´Â Schema Object(Table, Index, View, Sequence, Synonym), °èÃþÀû Äõ¸®¹®±îÁö ÇнÀÇÏ´Â °úÁ¤ ÀÔ´Ï´Ù.
¶ÇÇÑ SQL Æ©´×À» À§ÇØ ¿À¶óŬ ¿ÉƼ¸¶ÀÌÀú¿¡ ´ëÇÑ ±âº» ÀÌÇغÎÅÍ ¿À¶óŬ ÈùÆ®±¸¹®ÀÇ ÀÌÇظ¦ ÅëÇØ µ¥ÀÌÅÍ °Ë»ö ½Ã ÃÖÀûÈµÈ ½Ã°£¿¡ µ¥ÀÌÅÍ°¡ °Ë»öµÇµµ·Ï ÇÏ´Â ¹æ¹ý¿¡ ´ëÇØ À̷аú ½Ç½ÀÀ» ÅëÇØ ¹è¿ì°Ô µÇ´Â ½Ç¹«/½Ç½À À§ÁÖÀÇ °Á ÀÔ´Ï´Ù.
¡Ú ¼ö·áÁ¶°Ç ¡Ú
Ãâ¼®·ü 80%ÀÌ»ó
¡Ú ±³À°¸ñÇ¥ ¡Ú
°ü°èÇü µ¥ÀÌÅͺ£À̽º¿¡¼ SQLÀ» »ç¿ëÇÏ¿© ¸ñÀû¿¡ ÀûÇÕÇÑ µ¥ÀÌÅ͸¦ Á¤ÀÇÇÏ°í, Á¶ÀÛÇϸç, Á¦¾îÇÏ´Â ±¸¹®ÀÇ ÀÌÇØ
Å×À̺íÀÇ ±¸Á¶¿Í Á¦¾àÁ¶°ÇÀ» »ý¼º, »èÁ¦ÇÏ°í ¼öÁ¤ÇÏ´Â DDL(Data Definition Language) ¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
ÇÑ °³ÀÇ Å×ÀÌºí¿¡ ´ëÇØ µ¥ÀÌÅ͸¦ »ðÀÔ, ¼öÁ¤, »èÁ¦ÇÏ°í ÇàÀ» Á¶È¸ÇÏ´Â DML(Data Manipulation Language) ¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
¾÷¹«´ÜÀ§ÀÎ Æ®·£Àè¼ÇÀÇ ¿Ï·á¿Í Ãë¼Ò¸¦ À§ÇÑ DCL(Data Control Language) ¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
»ý¼ºµÈ Å×À̺íÀÇ ¸ñ·Ï, Å×À̺íÀÇ ±¸Á¶¿Í Á¦¾àÁ¶°ÇÀ» ÆľÇÇϱâ À§ÇØ µ¥ÀÌÅÍ»çÀüÀ» Á¶È¸ÇÏ´Â ¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
Å×À̺í Á¶È¸ ½Ã°£À» ´ÜÃàÇϱ⠻ç¿ëÇÏ´Â À妽ºÀÇ °³³äÀ» ÀÌÇØÇÏ°í À妽º¸¦ »ý¼ºÇÏ´Â DDL(Data Definition Language)¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
»ý¼ºµÈ Å×À̺íµéÀ» ÀÌ¿ëÇÏ¿© »õ·Î¿î Å×À̺í°ú ºä¸¦ »ý¼ºÇÏ´Â DDL(Data Definition Language)¸í·É¹® ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
Á¶ÀÎ, ¼ºêÄõ¸®, ÁýÇÕ¿¬»êÀÚ¸¦ »ç¿ëÇÏ¿© µÎ °³ ÀÌ»óÀÇ Å×À̺í·ÎºÎÅÍ µ¥ÀÌÅ͸¦ Á¶È¸ÇÏ´Â DML(Data Manipulation Language)¸í·É¹®À» ÀÛ¼º¿¡ ´ëÇÑ ÀÌÇØ
¿À¶óŬ ¿ÉƼ¸¶ÀÌÀúÀÇ ÀÌÇØ
SQL ½ÇÇà°èȹÀÇ ÀÌÇØ
½ÇÇà°èȹ SQL ¿¬»êÀÚÀÇ ÀÌÇØ
¼ºêÄõ¸®/Á¶ÀÎÀÇ ¹æ¹ý¿¡ µû¸¥ ¼º´ÉÀ» ÀÌÇØÇÏ°í ÀÛ¼ºµÈ SQL ±¸¹® Æ©´×ÀÇ ÀÌÇØ
Access Parh/Join/Query Transformation°ú °ü·ÃµÈ ¿À¶óŬ ÈùÆ® ±¸¹®ÀÇ ÀÌÇØ
Äõ¸® ÃÖÀûÈ¿¡ ´ëÇÑ ÀÌÇØ
¡Ú ±³À°´ë»ó ¡Ú
DB¿£Áö´Ï¾î¸µºÐ¾ßÀÇ ½Å±Ô ÀçÁ÷ÀÚ
-
IT ½ÅÀÔ»ç¿ø
- Çö¾÷ »ç¿ëÀÚ
- SQL Ãʺ¸»ç¿ëÀÚ
- SQLÀÇ È°¿ë ´É·ÂÀ» ÅëÀÌ°í ½ÍÀº ÀÚ
- Ãʺ¸°³¹ßÀÚ ¹× ½Ç¹«°³¹ßÀÚ
- DB°ü¸®ÀÚ
- Äõ¸®¸¦ ÀßÇÏ°í ½ÍÀº IT °³¹ßÀÚ
¡Ú Ä¿¸®Å§·³ ¡Ú
°³¿ä ¹× ½Ç½Àµ¥ÀÌÅÍ ¼³Ä¡
¿À¶óŬ, µ¥ÀÌÅͺ£À̽º°ü·Ã ¿ë¾î
¿À¶óŬ ¿¡µð¼Ç(ORACLE EDITION)
¿À¶óŬ ¹öÀü º¯È
½Ç½Àµ¥ÀÌÅÍ ¼³Ä¡ ¹× SQL*PLUS ½ÇÇàȯ°æ ¼³Á¤
½Ç½Àµ¥ÀÌÅÍ ±¸Á¶(Å×À̺í Á¤ÀǼ)
µ¥ÀÌÅͺ£À̽º ¹«°á¼º(DataBase Integrity)
SQL񃧯
SQL*Plus ¸í·É¾î
Schema °èÁ¤¿¡¼ÀÇ ±âº» Äõ¸®¹®
±âº» Äõ¸®¹®
ROWNUM ¹× NULL°ª, NLS_DATE_FORMAT
µ¥ÀÌÅÍ Å¸ÀÔ(Data Type)
SQL ¹®ÀÚÇÔ¼ö, ÁýÇÕÇÔ¼ö, ¼ýÀÚ ¹× ³¯Â¥ÇÔ¼ö, º¯È¯ÇÔ¼ö, ÀϹÝÇÔ¼ö ¹× Á¶°Ç½Ä
¼ºê Äõ¸® ¹× Á¶ÀÎ
¼ºê Äõ¸®(SUB QUERY) °³¿ä
º¹¼öÇà ¼ºêÄõ¸®(Multi-Row Sub Query)
»ó°ü ¼ºêÄõ¸®(Correlated Sub Query)
Scalar SubQuery, ÀζóÀκä, WITH
Å×ÀÌºí º°¸í(Table Alias)
īƼ¼Ç ÇÁ·Î´öÆ®
EquiJoin, Non EquiJoin
Self Join, Outer Join
°èÃþÇü Äõ¸®(Hierarchical Query)
SQL È°¿ë
ºÐ¼®ÇÔ¼ö ±âº»Çü½Ä ¹× ÀÀ¿ë
Å×ÀÌºí »ý¼º, º¯°æ, »èÁ¦
µ¥ÀÌÅÍ µñ¼Å³Ê¸®
DML, INSERT ¸í·É¾î, ´ÜÀÏÇà ÀÔ·Â, º¹¼öÇà ÀÔ·Â, UPDATE, DELETE, MERGE
À妽º(INDEX) ´ÜÀÏ/º¹ÇÕ, °íÀ¯/ºñ°íÀ¯, À籸¼º, »èÁ¦, ¼û±â±â
ºä(VIEW) ´Ü¼ø, º¹ÇÕ, ÀζóÀÎ
µ¿ÀǾî(Synonym)
½ÃÄö½º(Sequence)
Hint / Tuning
SQL¹® 󸮰úÁ¤
Ä¿¼(Cursor) & Oracle Memory
DBMS_STATS ÆÐÅ°Áö »ç¿ëÇϱâ
Optimizer Statistics(Table/Column Åë°èÁ¤º¸)
Literal SQL & Bind Variable SQL(Soft Parsing/Hard Parsing)
CURSOR_SHARING ÆĶó¹ÌÅÍ
Æ©´×ÀÇ µµ±¸ - SQL AUTOTRACE
Æ©´×ÀÇ µµ±¸ – DBMS_XPLAN
Æ©´×ÀÇ µµ±¸ – Event
½ÇÇà°èȹ Çؼ®
½ÇÇà°èȹ Çؼ®(predicate)
ÃʱâÈ ÆĶó¹ÌÅÍ OPTIMIZER_MODE
Optimizer Mode Setting ¹æ¹ý
±ÔÄ¢ ±â¹Ý ¿ÉƼ¸¶ÀÌÀú(Rule-Based Optimizer)
ºñ¿ë±â¹Ý ¿ÉƼ¸¶ÀÌÀú(Cost-Based Optimizer)
Optimizer Mode¸¦ º¯°æÇÏ´Â ÈùÆ® (RULE)
Optimizer Mode¸¦ º¯°æÇÏ´Â ÈùÆ®(FIRST_ROWS)
Optimizer Mode¸¦ º¯°æÇÏ´Â ÈùÆ®(ALL_ROWS)
Optimizer Mode¸¦ º¯°æÇÏ´Â ÈùÆ®(CHOOSE)
½ÇÇà°èȹ SQL ¿¬»ê(AND-EQUAL)
½ÇÇà °èȹ SQL ¿¬»ê(CONCATENATION)
½ÇÇà°èȹ SQL ¿¬»ê(COUNT)
½ÇÇà°èȹ SQL ¿¬»ê(COUNT STOPKEY)
½ÇÇà°èȹ SQL ¿¬»ê(FILTER)
½ÇÇà°èȹ SQL ¿¬»ê(HASH ANTI-JOIN)
½ÇÇà°èȹ SQL ¿¬»ê(HASH SEMI-JOIN)
½ÇÇà°èȹ SQL ¿¬»ê(NESTED LOOP SEMI-JOIN)
½ÇÇà°èȹ SQL ¿¬»ê(INDEX RANGE SCAN)
½ÇÇà°èȹ SQL¿¬»ê(INDEX RANGE SCAN DESCENDING)
½ÇÇà°èȹ SQL¿¬»ê(INLIST ITERATOR)
½ÇÇà°èȹ SQL¿¬»ê(MERGE JOIN)
½ÇÇà°èȹ SQL¿¬»ê(MERGE SEMI JOIN)
½ÇÇà°èȹ SQL¿¬»ê(MERGE ANTI-JOIN)
Hints For Online Application Upgrade (CHANGE_DUPKEY_ERROR_INDEX)
Hints For Online Application Upgrade (IGNORE_ROW_ON_DUPKEY_INDEX)
Hints For Online Application Upgrade (RETRY_ON_ROW_CHANGE)
¿À¶óŬ À妽º(Oracle Index)
ºñÆ®¸® À妽º(B*Tree Index)
ºñÆ®¸Ê À妽º(Bitmap Index)
ºñÆ®¸Ê Á¶ÀÎ À妽º(Bitmap Join Index)
¿ªÀüȯŰ À妽º(Reverse Key Index)
Hints For Access Paths(Data Scanning)
Hints For Access Paths(FULL)
Hints For Access Paths(CLUSTER)
Hints For Access Paths(HASH)
Hints For Access Paths(INDEX, INDEX_COMBINE)
Hints For Access Paths(INDEX_ASC)
Hints For Access Paths(INDEX_DESC)
Hints For Access Paths(NO_INDEX)
INDEX ÈùÆ®¿Í º¹ÇÕÀ妽º
use_invisible_indexes, no_use_invisible_indexes ÈùÆ®
Hints For Access Paths(NO_EXPAND)
Materialized View(±¸Ã¼Èºä)
Hints For Access Paths(REWRITE)
Hints For Access Paths(INDEX_FFS)
Hints For Access Paths(INDEX_SS)
Hints For Access Paths(INDEX_JOIN)
Hints For Access Paths(NATIVE_FULL_OUTER_JOIN)
Hints for Join Orders
Áßø·çÇÁÁ¶ÀÎ(Nested Loop Join)
Hints for Join Orders(ORDERED)
Hints for Join Orders(USE_NL)
Hints for Join Orders(USE_NL_WITH_INDEX)
Hints for Join Orders(NO_USE_NL)
ÇؽÃÁ¶ÀÎ(HASH JOIN, USE_HASH, NO_USE_HASH)
Hints for Join Orders(HASH_AJ)
Hints for Join Orders(HASH_SJ, NL_SJ)
Hints for Join Orders(USE_MERGE)
Hints for Join Orders(LEADING)
RBO¿¡¼ÀÇ µå¶óÀ̺ù Å×ÀÌºí ¼±Á¤
CBO¿¡¼ÀÇ µå¶óÀ̺ù Å×ÀÌºí ¼±Á¤
Semi Join(¼¼¹Ì Á¶ÀÎ)
Anti Join(¾ÈƼÁ¶ÀÎ)
SWAP_JOIN_INPUTS(OUTER JOIN¿¡¼ µå¶óÀ̺ù Å×ÀÌºí ¼±Á¤)
Additional Hints
Additional Hints(DRIVING_SITE)
Additional Hints(CACHE, NO_CACHE)
Additional Hints(CURSOR_SHARING_EXACT)
Additional Hints(GATHER_PLAN_STATISTCS)
Additional Hints(DYNAMIC_SAMPLING)
Additional Hints(RESULT_CACHE)
Additional Hints(QB_NAME)
Additional Hints(MONITOR)
Hints For Query Transformations(¼ºêÄõ¸®ÀÇ Á¾·ù)
Hints For Query Transformations(UNNEST, NO_UNNEST)
Hints For Query Transformations(MERGE, NO_MERGE), View Merging
Hints For Query Transformations(phsh_subq, no_push_subq, SubQuery Pushing)
Query Transformations(Predicate Pushing, Predicate Pushdown)
Query Transformations(Join Predicate Pushdown, push_pred, no_push_pred)
Query Transformations(OR-Expansion)
SQL¹® Æ©´×À» À§ÇÑ Á¢±Ù
SQL ÀÛ¼º TIP
Æ®À§ÅÍ
ÆäÀ̽ººÏ
´ñ±Û :
0
°Ç
ÀÌÀü±Û
[KG¾ÆÀÌƼ¹ðÅ©] º¸¾È ¼Ö·ç¼Ç ¹× CERT Á¤º¸º¸¾È Àü¹®°¡ ±¹ºñÁö¿ø Ãë¾÷°úÁ¤
´ÙÀ½±Û
[±¸µð¾ÆÄ«µ¥¹Ì] 2019³â 2¿ù ºòµ¥ÀÌÅÍ ºÐ¼® ¹× ½Ã°¢È 󸮸¦ À§ÇÑ ÀÚ¹Ù ½ºÇÁ¸µ °³¹ßÀÚ °úÁ¤ ±³À°»ý ¸ðÁý
¹øÈ£
Á¦¸ñ
ÀÛ¼ºÀÚ
̵̧
¹Ý´ë
Á¶È¸
µî·ÏÀÏ
19274
✅Á¤±ÔÁ÷ ä¿ë¿¬°è] UX/UIÀ¥&¸ð¹ÙÀÏ ...
ÀÌÁ¨°³²
0
0
61
2024-03-15
19273
[¡Ú°í¿ë³ëµ¿ºÎ 5³âÀÎÁõ ¿ì¼öÈƷñâ°ü] Àü¾×...
ÀÌÇÏÀ²
0
0
83
2024-03-13
19272
⭐[ä¿ë¿¬°èÇü][ºñ´ë¸é/´ë¸éÈ¥ÇÕ] Ŭ...
Äڵ左¾ÆÄ«µ¥¹Ì
0
0
88
2024-03-13
19271
⭐[ä¿ë¿¬°èÇü][ºñ´ë¸é/´ë¸éÈ¥ÇÕ] ·Î...
Äڵ左¾ÆÄ«µ¥¹Ì
0
0
84
2024-03-13
19270
⭐[ä¿ë¿¬°èÇü][ºñ´ë¸é/´ë¸éÈ¥ÇÕ] AI...
Äڵ左¾ÆÄ«µ¥¹Ì
0
0
79
2024-03-13
19269
<»ê´ëƯ> Àü¾× 100%±¹ºñÁö¿ø IT°³¹ßÀÚ ±³À°...
ÀÌÁ¨ ¾È»êÄ·ÆÛ½º
0
0
59
2024-03-13
19268
[4¿ù°³° ÄÉÀ̵ðÁöÅÐ] ÄÚµù ±¹ºñ¹«·á±³À° ...
±¸Æ®¾ÆÄ«µ¥¹Ì
0
0
58
2024-03-13
19267
✅[GS ITM X ´ëÇÑ»ó°øȸÀÇ¼Ò X ÀÌÁ¨¾Æ...
ÀÌÁ¨°³²
0
0
57
2024-03-11
19266
[¡Ú°í¿ë³ëµ¿ºÎ 5³âÀÎÁõ ¿ì¼öÈƷñâ°ü] K-µð...
ÀÌÇÏÀ²
0
0
62
2024-03-11
19265
[ÄÉÀ̵ðÁöÅÐ] ÄÚµù ±¹ºñ¹«·á±³À° ÀÚ¹Ù È°¿ë...
±¸Æ®¾ÆÄ«µ¥¹Ì
0
0
63
2024-03-11
19264
¿¡ÀÌÄܾÆÄ«µ¥¹Ì ÀÚ¹Ù ¹é¿£µå °³¹ßÀÚ Ãë¾÷ ...
¿¡ÀÌÄܾÆÄ«µ¥¹Ì
0
0
65
2024-03-08
19263
Àü¾× ±¹ºñÁö¿ø+¿ùÃÖ´ë 53¸¸¿ø ÈƷñݹÞÀ¸¸é...
±è¼öÇö
0
0
76
2024-03-08
19262
AI ÀΰøÁö´É ºòµ¥ÀÌÅÍ ¹«·á±³À° / 100%ä¿ë...
kgitbkÈÆ
0
0
63
2024-03-08
19261
¼ºÀåÇÏ°í ½ÍÀº ¹é¿£µå °³¹ßÀÚ ÁÖ¸ñ!
±è°¡¿¬
0
0
55
2024-03-06
19260
[±¹ºñ¹«·á] ÀÚ¹Ù È°¿ë À¥ °³¹ßÀÚ Ãë¾÷°úÁ¤ ...
±¸Æ®¾ÆÄ«µ¥¹Ì
0
0
61
2024-03-05
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
|
|
|
Á¦¸ñ ¾øÀ½
À̾ƹäºñÁî ¼³¸³ÀÏ : 2015 ³â 12¿ù 1ÀÏ ´ëÇ¥ÀÌ»ç : ¹Ú¿øÁ¤ °³ÀÎÁ¤º¸Ã¥ÀÓÀÚ : ¹Ú¿øÁ¤ À̸ÞÀÏ :
admin@itnjob.com
»ç¾÷ÀÚµî·Ï¹øÈ£ : 609-23-93848
Åë½ÅÆǸž÷ : Á¦2013-â¿ø¼º»ê-0131È£ Á÷¾÷Á¤º¸Á¦°ø:â¿ø Á¦2013-4 È£
¼¹ö¼ÒÀç
:
(135-920)
¼¿ï °³²±¸ Å×Çì¶õ·Î 216
½Å¿õŸ¿ö
ÁÖ¼Ò : (5
3182) °æ³² â¿ø½Ã ÀÇⱸ Áßµ¿·Î 77
´ëÇ¥ÀüÈ : 010-2371-4579 (Àü±¹)
Copyright
ITnJOB.COM
Ltd. All rights reserved.