clob主题的文章列表，还有clob的技术要点_第1页

ORA-12716: Cannot ALTER DATABASE CHARACTER SET when CLOB data exists

文档解释ORA-12716:CannotALTERDATABASECHARACTERSETwhenCLOBdataexistsCause:CLOBdatachangesrepresentationtoUnicodewhenconvertingtoamultibytecharactersetandmustbemigrat...

IT技术学习 ·2023-07-26

ORA-64102: Cannot create an XMLIndex with a structured component on a CLOB column within the object-relational storage model.

文档解释ORA-64102:CannotcreateanXMLIndexwithastructuredcomponentonaCLOBcolumnwithintheobject-relationalstoragemodel.Cause:AnattemptwasmadetocreateanXMLIndexwithastr...

IT技术学习 ·2023-07-16

ORA-30959: The indexed column is not stored in CLOB.

文档解释ORA-30959:TheindexedcolumnisnotstoredinCLOB.Cause:AnattemptwasmadetocreateanXMLIndexonanOR-XMLTypecolumn.Action:Re-createtheXMLIndexonaCLOB-XMLTypecolumn.。O...

IT技术学习 ·2023-07-13

ORA-22999: CLOB or NCLOB data may have been corrupted

文档解释ORA-22999:CLOBorNCLOBdatamayhavebeencorruptedCause:CLOBorNCLOBcontainsinvalidcharacterdata.Onepossiblecauseisthatthewrongcsidwasspecifiedfortheexternalfilew...

IT技术学习 ·2023-07-10

ORA-64203: Destination buffer too small to hold CLOB data after character set conversion.

文档解释ORA-64203:DestinationbuffertoosmalltoholdCLOBdataaftercharactersetconversion.Cause:AnattemptwasmadetoconvertCLOBtoCHAR,wheretheLOBsizewasbiggerthanthebuffer...

IT技术学习 ·2023-07-10

ORA-22998: CLOB or NCLOB in multibyte character set not supported

文档解释ORA-22998:CLOBorNCLOBinmultibytecharactersetnotsupportedCause:ACLOBorNCLOBinafixed-widthorvarying-widthmultibytecharactersetwaspassedtoaSQLcharacterfunction...

IT技术学习 ·2023-07-09

ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion (actual: string, maximum: string)

文档解释ORA-22835:BuffertoosmallforCLOBtoCHARorBLOBtoRAWconversion(actual:string,maximum:string)Cause:AnattemptwasmadetoconvertCLOBtoCHARorBLOBtoRAW,wheretheLOBsize...

IT技术学习 ·2023-07-08

ORA-44423: XML Schema registered for BINARY cannot be used for CLOB/OBJ-REL

文档解释ORA-44423:XMLSchemaregisteredforBINARYcannotbeusedforCLOB/OBJ-RELCause:AnattemptwasmadetouseaXMLSchemaregisteredforbinaryusageaspartofaCLOBorOBJ-RELclause.A...

IT技术学习 ·2023-07-08

编程经验点滴----巧妙解决 Oracle NClob 读写问题

最近一个新项目中，尝试在Oracle数据库中使用NCLOB来保存大的xml字符串。在代码自动生成工具（通过JDBC驱动程序，读数据库表结构，自动生成对应的java代码，包含增加、删除、修改、分页查询、根据主键查找等前台html/js、后台代码java)，将NCLOB字段映射到String类型。运行代码，无报错。使用SQ...

代码星球 ·2021-02-15

clob字段超过4000转String类型

上次提到listagg()和wm_concat()方法合并过的字段类型为clob，要是字段长度超过4000，直接使用to_char()方法转会报错。解决方法可以在java代码中使用流的方式转化成字符串。提供一个通用工具类：1publicstaticStringclob2String(Clobcl...

代码星球 ·2021-01-23

jdbc插入修改clob类型的两种方式

方法一：Connectioncon=dbl.loadConnection();strSql="insertintotable1(id,a)values(1,EMPTY_CLOB())";dbl.executeSql(strSql);Stringstr2="selectafrom"+"table1whereid=1";R...

代码星球 ·2020-10-21

mybatis学习之CLOB、BLOB处理及多参数方法映射

CLOB数据mysql对应数据类型为longtext、BLOB类型为longblob：model实体：...privateIntegerid;privateStringname;privateintage;privatebyte[]pic;//映射blobprivateStringremark;//映射longtext...

代码星球 ·2020-08-08

Oracle中Clob类型处理解析：ORA-01461:仅可以插入LONG列的LONG值赋值

　最近为Clob字段在插入数据时发现当字符的字节数（一个半角字符一个字节，一个全角字符两个字节）在2000-4000之间时报错（ORA-01461:仅可以插入LONG列的LONG值赋值）。经过不断查找资料和自己的试验该问题终于得到解决，下边我将自己的心得给大家做一个分享。准备系统环境xp+.net2.0+oracle9...

代码星球 ·2020-06-22

java.sql.SQLException: ORA-00932: 数据类型不一致: 应为 -, 但却获得 CLOB

总是报：ORA-00932:数据类型不一致:应为-,但却获得CLOB是由于这个a.progressAndPlan字段clob字段。第一种解决方法：a.progressAndPlan改成 to_char(a.progressAndPlan)。第二种解决方法：去掉distinct去重。...

代码星球 ·2020-06-12

Oracle数据库将varchar类型的字段改为clob类型

altertablepwlp_accuse_infomodifyINSTRUCTION_STYLElong;altertablepwlp_accuse_infomodifyINSTRUCTION_STYLEclob;...

代码星球 ·2020-06-12