ORACLE VERSIONS 用法
OCA SQL試題Evaluate the following statements: What would be the outcome of the above query? ...
OCA SQL試題Evaluate the following statements: What would be the outcome of the above query? ...
insert into (<select clause> WITH CHECK OPTION) values (...) 例如: 這樣的語法看起來很特殊,其實是inser ...
近期參加OCP培訓,講師說的太快,之前一直是SQLSERVER,很多東西要惡補了。 UpSert功能: MERGE <hint> INTO <table_name> ...