Date: June 19, 2018 09:47PM I want the tables in the database to allow the latin characters and latin extend A characters. Currently, I use Latin_1 collaction. What is the collaction in mysql? Subject Views Written By Posted What is collaction support Latin Extend A in mysql?
"Collation" is probably best defined on etymology.com, late 14c., "act of bringing together and comparing," It hasn't changed at all in the past 600 years. "collate" means "to bring together" and whether it's the ordering of a book, chronologically or otherwise in a database, it's...
It makes sense that it is there in MySQL but blank. The information_schema in MySQL will collapse for you if your DB user has ALL PRIVILEGES on db.* instead of *.*. In PostgreSQL, the collapse is automatic when you connect to a database schema. So, the table_catalog colu...
MySQL 8.0 delivers support for indexes in descending order. Values in such an index are arranged in descending order, and we scan it forward. Before 8.0, when a user create a descending index, we created an ascending index and scanned it backwards. One benefit is that forward index scans ar...
A database thus created uses the default MySQL Server database properties (such as those as determined by character_set_database and collation_database) that are in effect on this SQL node at the time the statement is executed. NDB metadata change detection and synchronization. NDB 8.0 ...
The new extension method Database.IsMySql() in EF Core 2 is implemented The config.QueryOptions.NullStringCollation option is implemented to use the COLLATE operator with a required collation when comparing null strings in "equal" and "not equal" cases The translation of single-char literal into...
= null) && entityTypeBuilder.Metadata.BaseType == newBaseType) { Process(entityTypeBuilder); } } private void Process(IConventionEntityTypeBuilder entityTypeBuilder) { foreach (var memberInfo in GetRuntimeMembers()) { if (Attribute.IsDefined(memberInfo, typeof(PersistAttribute), inherit: true)...
Database name rewriting with mysqlbinlog. Renaming of databases by mysqlbinlog when reading from binary logs written using the row-based format is now supported using the --rewrite-db option added in MySQL 5.7.1. This option uses the format --rewrite-db='dboldname->dbnewname'. You ca...
SHOWCHARACTERSETFORmydatabase; and SHOWCHARACTERSETFORmydatabase.mytable; and SHOWCHARACTERSETFORmydatabase.mytable.mycolumn; 参考: http://stackoverflow.com/questions/1049728/how-do-i-see-what-character-set-a-database-table-column-is-in-mysql...
MySQL: Users PostgreSQL: Database Roles(Users)/Schemas Oracle: Database Roles/Users(Schemas) Sybase ASE: Logins/Server Roles(Database Roles)/Users IBM DB2: Database Roles/Users/Schemas IBM Informix: Database Roles/Users(Schemas) Add: (Oracle) 增加 PACKAGES 物件的支持(含物件瀏覽/物件搜尋/生成...