Oracle String concatenation The || operator does a String concatenation in Oracle. You can use this in both SQL and pl/sql. For example: select kol1||kol2 from tablename; select kol1||' - '||kol2 from tablename; declare l_var varchar2(2000); begin l_var := 'abc'||'def'; end...
In Oracle, the maximum size of a string is 4000 characters. If a string concatenation operation results in a string larger than 4000 characters, you will get the "result of string concatenation is too long" error. To avoid this error, you can use the CONCAT function instead of the "+" ...
ORA-01489: result of string concatenation is too long SELECT t.tablespace_name, listagg(t.table_name, ',') WITHIN GROUP(ORDER BY table_name) over(PARTITION BY tablespace_name) clause FROM user_tables t; 1. 2. 3. 错误是由于oracle对字符串长度有限制,长度不能超过4000.超过4000以后需要转为cl...
Oracle Database - Enterprise Edition - Version 19.20.0.0.0 and laterInformation in this document applies to any platform.SymptomsORA-01489: result of string concatenation is too long after Upgrade database from 11.2.0.3 to 11.2.0.4 and then to 19c.Changes...
Concat operator returns char1 concatenated with char2. The string returned is in the same character set as char1. So here concat operator is trying to return varchar2, which has limit of 4000 characters and getting exceeded. This problem may also come when we try to CONCAT a VARCHAR2 with...
ORA-01489 错误通常是由于 Oracle 数据库中字符串连接的结果过长导致的。 ORA-01489 错误消息 "result of string concatenation is too long" 指出在执行 SQL 查询时,字符串连接的结果超过了 Oracle 数据库允许的最大长度。在 Oracle 中,VARCHAR2 类型的最大长度为 4000 字节。当使用如 LISTAGG 这样的函数进行字...
String concatenation refers to the process of combining two or more strings into a single string. It can be done by either appending one string to another or creating a new string that contains the original strings in sequence. The process involves determining the length of the strings and allo...
报错:result of string concatenation is too long 究其原因,使用listagg进行分组拼接时,oracle对字符变量的长度限制,而listagg 拼接返回的类型为varchar ,最大长度为4000,当报错信息太长的时候就会导致字段超出 解决方法就是换个方式 原先的: listagg('上层:'||XXX||'、明细:'||XXX||'、上层为:'||XXX||'、...
TRANSLATE Replaces characters in a string with specified characters. UPPER Converts a string into uppercase letters. String concatenation, splitting, and padding STRING || STRING Description: Concatenates two strings. <string_value1> text || <string_value2> text Parameters string_value1 and ...
LISTAGG Function Enhancements inOracle Database 12c Release 2 (12.2) Prior to 12.2, when the concatenation exceeds the limit of return datatype of LISTAGG, it throws following error: ORA-01489: result of string concatenation is too long