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2024年3月13日发(作者:数据结构知识点总结pdf)
预定义异常
命名的系统异常
ACCESS_INTO_NULL
CASE_NOT_FOUND
COLLECTION_IS_NULL
CURSER_ALREADY_OPEN
DUP_VAL_ON_INDEX
INVALID_CURSOR
INVALID_NUMBER
NO_DATA_FOUND
TOO_MANY_ROWS
ZERO_DIVIDE
SUBSCRIPT_BEYOND_COUNT
SUBSCRIPT_OUTSIDE_LIMIT
VALUE_ERROR
LOGIN_DENIED
NOT_LOGGED_ON
PROGRAM_ERROR
ROWTYPE_MISMATCH
SELF_IS_NULL
STORAGE_ERROR
SYS_INVALID_ID
TIMEOUT_ON_RESOURCE
产生原因
未定义对象
CASE 中若未包含相应的 WHEN ,并且没有设置 ELSE 时
集合元素未初始化
游标已经打开
唯一索引对应的列上有重复的值
在不合法的游标上进行操作
内嵌的 SQL 语句不能将字符转换为数字
使用 select into 未返回行,或应用索引表未初始化的元素时
执行 select into 时,结果集超过一行
除数为 0
元素下标超过嵌套表或 VARRAY 的最大值
使用嵌套表或 VARRAY 时,将下标指定为负数
赋值时,变量长度不足以容纳实际数据
PL/SQL 应用程序连接到 oracle 数据库时,提供了不正确的用户名或密
码
PL/SQL 应用程序在没有连接 oralce 数据库的情况下访问数据
PL/SQL 内部问题,可能需要重装数据字典& pl./SQL 系统包
宿主游标变量与 PL/SQL 游标变量的返回类型不兼容
使用对象类型时,在 null 对象上调用对象方法
运行 PL/SQL 时,超出内存空间
无效的 ROWID 字符串
Oracle 在等待资源时超时
预定义异常
Oracle异常名称
错误号
说明
DUP_VAL_ON_INDEX
ORA-00001
You tried to execute an INSERT or UPDATE statement that has created a duplicate value in a
field restricted by a unique index.试图破坏一个唯一性限制
TIMEOUT_ON_RESOURCE
ORA-00051
You were waiting for a resource and you timed out.在等待资源时发生超时
TRANSACTION_BACKED_OUT
ORA-00061
The remote portion of a transaction has rolled back.由于发生死锁事务被撤消
INVALID_CURSOR
ORA-01001
You tried to reference a cursor that does not yet exist. This may have happened because you’ve
executed a FETCH cursor or CLOSE cursor before OPENing the cursor.试图使用一个未打开的
游标
NOT_LOGGED_ON
ORA-01012
You tried to execute a call to Oracle before logging in.没有连接到ORACLE
LOGIN_DENIED
ORA-01017
You tried to log into Oracle with an invalid username/password combination.无效的用户名/口
令
NO_DATA_FOUND
ORA-01403
SELECT INTO没有找到数据You tried one of the following:
You executed a SELECT INTO statement and no rows were referenced an
uninitialized row in a read past the end of file with the UTL_FILE package.
TOO_MANY_ROWS
ORA-01422
SELECT INTO 返回多行You tried to execute a SELECT INTO statement and more than one
row was returned.
ZERO_DIVIDE
ORA-01476
试图被零除You tried to divide a number by zero.
INVALID_NUMBER
ORA-01722
转换一个数字失败You tried to execute an SQL statement that tried to convert a string to a
number, but it was unsuccessful.
STORAGE_ERROR
ORA-06500
内存不够或内存被破坏引发的内部错误You ran out of memory or memory was corrupted.
PROGRAM_ERROR
ORA-06501
内部错误,需重新安装数据字典视图和pl/sql包This is a generic “Contact Oracle support”
message because an internal problem was encountered.
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