Oracle Text allows text searches to be combined with regular database searches in a singleSQL statement. It can find documents based on their textual content, metadata,or attributes. The Oracle Text SQL API makes it simple and intuitive to createand maintain Text indexes and run Text searches. ...
ACONTEXTindex is the basic type of Oracle Text index. This is an index on a text column. ACONTEXTindex is useful when your source text consists of many large, coherent documents. Query this index with theCONTAINSoperator in theWHEREclause of aSELECTstatement. This index requires manual synchro...
代码语言:text AI代码解释 SQL> desc v$lockName Type Nullable Default Comments --- --- --- --- --- ADDR RAW(8) Y KADDR RAW(8) Y SID NUMBER Y TYPE VARCHAR2(2) Y ID1 NUMBER Y ID2 NUMBER Y LMODE NUMBER Y REQUEST NUMBER Y CTIME NUMBER Y BLOCK NUMBER Y SQL> 我们关注的比较多...
DRG-10509 invalid text column: string Cause: The column specified is not valid. Action: Check that the following are valid: Text column is of the datatype supported by interMedia Text Valid table name, column name in the specification DRG-10510 stopword is missing Cause: The stopword ...
Enter 'html' for an HTML report, or 'text' for plain text Defaults to 'html' Enter value for report_type: //提示你输入生成报告类型,默认为HTML,回车即可 Type Specified: html Instances in this Workload Repository schema ~~~ DB Id Inst Num DB Name Instance Host --- --- --- --- -...
Cause: All Oracle Text alter index options required the REBUILD keyword. Action: Specify alter index with the REBUILD keyword. DRG-10528 primary keys of type string are not allowed Cause: An attempt was made to create an index on a table with an illegal primary key datatype. Action: Change...
ColumnNameDataType描述 NAMEString使用者名稱。 識別碼Decimal使用者的識別碼。 CREATEDATEDatetime使用者建立日期。 檢視 ColumnNameDataType描述 OWNERString檢視表的擁有人。 VIEW_NAMEString檢視表名稱。 TEXT_LENGTHDecimal檢視表文字的長度。 TEXTString檢視表文字。
(1,'日本オラクル株式会社'); INSERT INTO testtab VALUES (2,'ora oracle oracular oracy'); COMMIT; BEGIN CTX_DDL.CREATE_PREFERENCE('jvl','JAPANESE_VGRAM_LEXER'); END; / CREATE INDEX testidx ON testtab (text) INDEXTYPE IS CTXSYS.CONTEXT PARAMETERS ('LEXER jvl'); Copyright© 2011, ...
Included in this gathered history is the SQL text, outline, bind variables, and compilation environment. When a SQL statement is compiled, Oracle will first use the cost-based optimizer to generate a plan and will evaluate any matching SQL plan baselines for relative cost, choosing the plan ...
--Oracle text(全文检索) 可以把任何文档和文件编入索引,从而是访问更快,更容易检索相关的信息。 Text 的索引可以存储在文件系统,数据库或者Web。 Oracle Text allows text searches to be combined with regular database searches in a singleSQL statement. It can find documents based on their textual content...