1dbms_lob.createtemporary(V_SQL,true);--创建一个临时clob,用来存储拼接的sql2dbms_lob.write(v_SQL,'写入信息');--写入操作3dbms_lob.append(v_SQL,',');--拼接clob4dbms_lob.substr(v_SQL);--截取clob,不传参数就是全部读取5dbms_lob.freetemporary(v_SQL);--释放clob 查询结果如下: 四、在存...
dbms_lob.createtemporary(V_SQL,true);--创建一个临时lob dbms_lob.createtemporary(V_SQL_DATES,true);--创建一个临时lob IF V_APPIDS is NOT NULL THEN V_SQLWHERE := 'AND t.appid in ('||V_APPIDS||')'; END IF; IF V_CHANNEL IS NOT NULL THEN V_SQLWHERE_CHANNEL := 'AND t.channel...
方式1:直接将CLOB的值拼写在SQL语句中。 代码: string id = Guid.NewGuid().ToString(); OracleCommand cmd = Conn.CreateCommand(); cmd.CommandText = "insert into xx(id,test) values('" + id + "','" + data + "')";// data是一个变量,存储你要插入的字符串 cmd.ExecuteNonQuery(); 情况分...
JDBC metadata type (java.sql.Types) CLOB Use thegetClobmethod on thejava.sql.ResultSetto retrieve a CLOB handle to the underlying data. Related information SeeMapping of java.sql.Blob and java.sql.Clob interfaces. Example String url = "jdbc:derby:clobberyclob;create=true"; Connection conn ...
在sqlserver中 create table #table1 (c int); 在oracle 中解决办法是: create global temporary table table1(c int) on commit preserve rows 这个table1在数据库中是永久存在的,所以不要是用drop命令,在你的程序中在对这个表进行任何操作之前,先执行truncate table table1,切忌不要用drop命令删除此表。; ...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source ...
This example shows how to insert data from a regular file referenced by :hv_text_file into a character large object (CLOB) column.
> create table test1(id clob,name blob);Table created.Elapsed time: 0.002 sec> set environment sqlmode 'oracle';Environment set.Elapsed time: 0.002 sec> insert into test1 values('c','c1');1 row(s) inserted.Elapsed time: 0.008 sec> 简单大对象和智能大对象在程序中的对比 1、简单大...
> set environment sqlmode 'oracle'; Environment set. Elapsed time: 0.002 sec > insert into test1 values('c','c1'); 1 row(s) inserted. Elapsed time: 0.008 sec > 简单大对象和智能大对象在程序中的对比 1、简单大对象在程序中的使用
The datatype returned from WMSYS.WM_CONCAT function changed from VARCHAR2 to CLOB in releases 10.2.0.5 and 11.2.0.2. In 10.2.0.4 / 11.1.0.7 / 11.2.0.1 it returns VARCHAR2 SQL> desc wmsys.wm_concat; FUNCTION wmsys.wm_concat RETURNS VARCHAR2 <<<Argument Name Type In/Out Default? --- ...