master_access, global privileges check_grant_db: -> for each role, Security_context::db_acl(database check); has_any_table_acl; has_any_routine_acl (table check); column check; check_grant_db_routine; witch to null-database; 5) get_default_db_collation 6) mysql_change_db_impl, ...
command.CommandText = updateFormSql.ToString(); command.ExecuteNonQuery(); }catch(Exception ...
The username, program, machine, terminal, session id, serial # and more can be found from the v$session view. This view has a column audsid. When you join this coulum to your userenv('sessionid') value, you get the session information for your current session. The query could be SELECT...
enter the new names in parentheses after the destination table name. If you enter any column names, you must enter a name for every column you are copying.
AlterADD 2、删除列Stel AlterDROP COLUMN 3、修改列Sdept ALTER Table Student ALTER COLUMN Sdept CHAR(8) Sno CHAR(8) 三、建立与删除索引 1、在表Student中建立按年龄Sage升序建立索引 建立索引:Create INDEX S_INDEX ON Student(Sage) 2、删除索引 ...
counts the total number of processes that each user has running. -1 gets the column names from the first line, therefore we can use USER instead of COL0 in the SQL statement. "group by USER" groups the rows of with identical USER together and for that reason COUNT(*) returns the total...
Hi: We have a database with tables that are nearly identical that we use for production and production history. I have created an SQL command in Crystal 2008 to joins
An index created with UNIQUE in the INDEX command allows duplicate index keys; candidate indexes do not allow duplicate index keys. Null values and duplicate records are not permitted in a field used for a primary or candidate index. If you are creating a new field with ADD COLUMN, Microsoft...
Use null for addins. pguidCmdGroup Guid [in] The GUID for the group to receive the new command. Use GUID_Macro or GUID_AddIn defined in vbapkg.idl. pszCmdNameCanonical String [in] The full name of the command. pdwCmdId UInt32 [out] The ID for the new command. p...
?opt1=a&... additional database driver options (see respective SQL driver for available options) /path/to/file a path on disk name a connection name set by \cset or in config.yaml± Some databases, such as Microsoft SQL Server, or Oracle Database support a path component (ie, /dbname...