NULLABLEString指定資料行是否允許 NULL。 若資料行沒有 NOT UNLL 條件約束,或者資料行是 PRIMARY KEY 的一部分,則此值為 N。 索引 ColumnNameDataType描述 OWNERString索引的擁有人。 INDEX_NAMEString索引的名稱。 INDEX_TYPEString索引的型別 (NORMAL、BITMAP、FUNCTION-BASED NORMAL、FUNCTION-BASED BITMAP 或 DO...
"Number is not compatible with column definition or is not available for a not nullable column" I have a problem when importing a txt file into an oracle table. for some reason, SQL developer doesn't allow decimals to get imported as the image shows, and I believe ...
OracleCommand に対するパラメーターと、必要に応じて DataColumn へのマッピングを表します。 このクラスは継承できません。
check the position of Column annotation in java class for the field For Example,consider one table with name STUDENT with 3 column(Name,Roll_No,Marks). Then make sure you have added below annotation of column before Getter Method instead of Setter method. It will solve ur problem @Column(...
SELECT column_name, data_type, data_length, nullable FROM all_tab_columns WHERE table_name = '实际表名' AND owner = '用户账号名'; ©著作权归作者所有,转载或内容合作请联系作者 0人点赞 日记本 更多精彩内容,就在简书APP "小礼物走一走,来简书关注我" ...
)AS"主键",--T1.NULLABLE AS "是否为空",T2.COMMENTSAS"注释"--T1.DATA_DEFAULT "默认值"--T4.CREATED AS "建表时间"FROMCOLS T1LEFTJOINUSER_COL_COMMENTS T2ONT1.TABLE_NAME=T2.TABLE_NAMEANDT1.COLUMN_NAME=T2.COLUMN_NAMELEFTJOINUSER_TAB_COMMENTS T3ONT1.TABLE_NAME=T3.TABLE_NAMELEFTJOINUSER...
p_nullable in varchar2, p_translate in varchar2, p_precision in number default null, p_scale in number default null); procedure delete_table (p_appl_short_name in varchar2, p_tab_name in varchar2); procedure delete_column (p_appl_short_name in varchar2, p_tab_name in varchar2, p...
procedureNullableUnknown - nullability unknown REMARKS String => comment describing parameter/column Note: Some databases may not return the column descriptions for a procedure. Additional columns beyond REMARKS can be defined by the database. These additional columns MUST be accessed by name, not ...
{sql="SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH, DATA_PRECISION, DATA_SCALE, NULLABLE"+" FROM USER_TAB_COLUMNS"+" WHERE TABLE_NAME = '"+strings.ToUpper(sql[spaceIndex+1:])+"' ORDER BY COLUMN_ID"returnexecuteQuery(db,sql)}else{returnexecuteUpdate(db,sql)}}funcexecuteUpdate(db*sql.DB,...
Not Nullable Unique keys: At least one column from one of the unique keys must be not nullable. This is becauseNOALLOWNULLABLEKEYSis the default. Note: ALLOWNULLABLEKEYSis not valid for integrated Replicat. If none of the preceding key types exist (even though there might be other types of...