DatabaseLink has functions for working with the tables of data in a database. It can create and drop tables, as well as fetch information about the organization of tables in the database.

SQLCreateTable, SQLDropTable — create and drop tables

SQLTables, SQLTableNames — list tables in an SQL connection

SQLTableInformation — list information about the tables

SQLTablePrivileges — table access rights

SQLTablePrimaryKeys — primary key descriptions

SQLTableImportedKeys  ▪  SQLTableExportedKeys

SQLTableIndexInformation — table indices and statistics

SQLTableTypeNames — supported table types in an SQL connection

SQLDataTypeNames — supported data types

SQLDataTypeInformation — information about supported data types

SQLColumns, SQLColumnNames — list columns in an SQL connection

SQLColumnInformation — list information about the columns

SQLColumnPrivileges — column access rights

SQLCatalogNames  ▪  SQLSchemaNames  ▪  SQLSchemaInformation

$SQLTimeout — how long the Wolfram Language waits while executing queries