Need help on the text of the Oracle

Hi Master,

I'm working on the text of the Oracle. I executed the step/commands below. All are executed successfully. But I saw no improvement in my work. But I have a doubt, explain below.

create the table ent_dnt in select * from entitlement_dnt;

BEGIN

CTX_DDL. CREATE_PREFERENCE ("oracletext_datastore", "MULTI_COLUMN_DATASTORE");

CTX_DDL. SET_ATTRIBUTE

("oracletext_datastore", "COLUMNS",

"ORDER_NUMBER, GENERIC_PRODUCT_NAME_EXT, ENTITLEMENT_REF_ID, DEVICE_ASSET_ID, DEVICE_UNIQUE_ID, SWSERVICETAG, PRODUCT_DESC');

END;

CREATE INDEX idx_oracle_text

ON Ent_dnt (search_cols)

INDEXTYPE IS CTXSYS. FRAMEWORK

PARAMETERS ("DATASTORE oracletext_datastore");

BEGIN

DBMS_STATS. GATHER_TABLE_STATS ('EE', 'ent_DNT', cascade = > TRUE);

DBMS_STATS. GATHER_TABLE_STATS ('EE', 'upd_DNT', cascade = > TRUE);

DBMS_STATS.gather_index_stats ('EE', 'idx_oracle_text1');

DBMS_STATS.gather_index_stats ('EE', 'idx_oracle_text');

END;

the steps above are created / executed successfully. But when to run my select query... I did not see anywhere oracle text index name in my plan to explain.

Plan

SELECT STATEMENT ALL_ROWSCost: 28 393 bytes: 49 675 cardinality: 5

3 TRI GLOBAL bytes: cardinality 8: 1

TABLE ACCESS BY INDEX ROWID TABLE EA 2. EE_PROD_GRP_ENTITLEMENT cost: 4 bytes: 8 Cardinality: 1

1 INDEX RANGE SCAN INDEX EE. IDX_PGE_ENT_ID cost: cardinality 3: 1

5 SORTING GLOBAL bytes: cardinality 8: 1

TABLE 4 TABLE EA FULL ACCESS. ENT_DNT cost: 26 781 bytes: 8 Cardinality: 1

20 SEE EE. Cost: 28 393 bytes: 49 675 cardinality: 5

19 STOPKEY COUNTY

18 SEE EE. Cost: 28 393 bytes: 49 610 cardinality: 5

GROUP 17 SORT BY STOPKEY cost: 28 393 bytes: 2 295 cardinality: 5

the HASH JOIN cost EXTERNAL 16: 28 392 bytes: 2 295 cardinality: 5

Cost EXTERNAL 14 NESTED LOOPS: 28 388 bytes: 1 808 cardinality: 4

Cost EXTERNAL 11 NESTED LOOPS: cardinality 28 384 bytes: 1 600: 4

Cost of 8 HASH JOIN: 28 383 bytes: 1 552 cardinality: 4

TABLE 6 TABLE EA FULL ACCESS. UPD_DNT cost: 1 089 bytes: 174 cardinality: 6

TABLE 7 TABLE EA FULL ACCESS. ENT_DNT cost: 27 292 bytes: 110,648,108 cardinality: 308 212

TABLE ACCESS BY INDEX ROWID EE TABLE 10. PRODUCT_LICENSE_PART cost: 1 bytes: cardinality 1: 12

9 INDEX RANGE SCAN INDEX EE. IDX_PLP_PD_DATA_ID cost: cardinality 0: 1

TABLE ACCESS BY INDEX ROWID EE TABLE 13. PD_KT_DETAILS cost: 1 bytes: cardinality 1: 52

12 INDEX RANGE SCAN INDEX EE. IDX_PKD_PART_NUM cost: cardinality 0: 1

TABLE 15 TABLE EA FULL ACCESS. Cost LEGACY_CONFIG: 03:00 cardinality: 5

and cost is so high. But when I ran the query below. I saw no table $.

TEST@orcl_11gR2 > SELECT object_name, object_type

2 FROM user_objects

3. WHERE object_name LIKE '% oracle % '.

4.

Usually DR$ $I $K, $N, $R, $X tables aren't creaed. where is the problem? Please help me. I perform this task.

Concerning

AR

3. I L 36 records on the ent_dnt table... I added another 1 lakh records more... This index is does it work properly? or should I update again?

As long as you use SYNC (ON COMMIT) each ecord you insert is indexed immediately after you have posted.  This will result in gradually increasing index fragmentation, you OPTIMIZE the index or ALTER and REBUILD the index or DROP and RE-CREATE the index to reduce fragmentation and keep the queries that use CONTAINS to run fast.  How many times you need to do this depends on how many times you insert the amount of data.

Also, if you update data, then you must make sure that whenever you do an update, you update the column that the index is created as search_cols, in order to trigger the synchronization.  That you updated the search_cols to is okay, as long as it is updated.  For example, you might be updated to U.

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