外键约束 foreign key 外键约束的要求： 父表和字表必须使用相同的存储引擎，禁止使用临时表； 数据库...
stopping the VMware VirtualCenter service. Error: Error[VdbODBCError] (-1) "ODBC error: (23503) - ERROR: insert or update on table "vpx_sn_config_info" violates foreign key constraint "fk_v_sn_config_info_ref_vpx_sn";
If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned.If INSERT is loading multiple rows with SELECT or EXECUTE, any violation of a rule or constraint that occurs from...
UPDATE, DELETE, or MERGE statement, optionally filtered by a WHERE clause. If <dml_table_source> is specified, the target of the outer INSERT statement must meet the following restrictions:
报错一:duplicate key value violates unique constraint。 报错二:Update row with Key (xxx)=(yyy) multiple times。 报错三(OOM问题):Total memory used by all existing queries exceeded memory limitation。 问题原因一:数据源存在重复数据。 Hologres兼容PostgreSQL,使用的也是标准PostgreSQL语法。在标准的PostgreSQL...
Run the update nothing command to trigger the before insert trigger. The unique constraint or primary key of DEFERRABLE is not supported. If a table has multiple unique constraints and the inserted data violates multiple unique constraints, only the first row that has a conflict is updated. (The...
If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned.If INSERT is loading multiple rows with SELECT or EXECUTE, any violation of a rule or constraint that occurs from...
If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned.If INSERT is loading multiple rows with SELECT or EXECUTE, any violation of a rule or constraint that occurs from...
If ON DUPLICATE KEY UPDATE is used, you must have the INSERT and UPDATE permissions on the table and the SELECT permission on the columns of the UPDATE clause. If you use the query clause to insert rows from a query, you need to have the SELECT permission on any table or column used ...
If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned. If INSERT is loading multiple rows with SELECT or EXECUTE, any violation of a rule or constraint that occurs from...