For relation R to be in BCNF, all the functional dependencies (FDs) that hold in R need to satisfy property that the determinants X are all superkeys of R. i.e. if X->Y holds in R, then X must be a superkey of R to be in BCNF. In your case, it can be shown that the onl...
What are the options for storing hierarchical data in a relational database? 456 Permission denied for relation in PostgreSQL 660 Difference between partition key, composite key and clustering key in Cassandra? 1023 Reset identity seed after deleting records in SQL Server 717 Import SQL...
2、The money he'd been ordered to pay was minimalin relation tohis salary.(他被要求支付的钱与他的薪水相比是少的。) 3、What approach should you takein relation todatabase design?(应当采取哪些方法来进行数据库设计?) 4、It is insufficient to treat the artwork solely historically,in relation t...
Most queries work as expected but there was one that gave me this error when executing a findMany operation: The table `(not available)` does not exist in the current database. This happens locally and when deployed to App Engine on GCP. How to reproduce Upgrade to v5.7.0 and enable...
This value is added automatically as a method name on the child table. This method is displayed by IntelliSense in the X++ editor, but you cannot see the method in the AOT. For more information about how to use this method, seeHow to: Use the UnitOfWork Class to Manage Database Transac...
Law.a principle whereby effect is given to an act done at one time as if it had been done at a previous time. Mathematics. a property that associates two quantities in a definite order, as equality or inequality. a single- or multiple-valued function. ...
377 female and 231 male undergraduates completed a demographic questionnaire and the Bem Sex-Role Inventory, and their majors were categorized according to codes developed by J. L. Holland (1979). Findings show that masculine-typed men were overrepresented in the Investigative area and undifferentiated...
Call this member function to obtain information about a specified relation in the database's Relations collection. Syntax Copy void GetRelationInfo( int nIndex, CDaoRelationInfo& relinfo, DWORD dwInfoOptions = AFX_DAO_PRIMARY_INFO ); void GetRelationInfo( LPCTSTR lpszName, CDaoRelationInfo& ...
A relational database contains a set of data and relations between the data of the set. The data may be representative of three dimensional modelled objects. For navigating in the database, the user selects (12) a first data and a first relation; the second data related to the first ...
By employing a continuous time multi‐factor stochastic volatility model, the dynamic relation between returns and volatility in the commodity futures markets is analyzed. The model is estimated by using an extensive database of gold and crude oil futures and futures options. A positive relation in...