RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook subschema Encyclopedia (sʌbˈskiːmə) n a part of a computer database which is used by an individual Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers...
Multi-model dataMulti-model data are in general data which are logically represented in more than one model. The currently existing multi-model DBMSs [50] differ in the strategy used to extend the original model to other models or to combine multiple models. The new models can be supported ...
Meaning of "Grant Alter to <User>" ? Merge error handling MERGE for Remote Table Merge for soft delete - Datawarehouse MERGE ON 1=0 Merge overlapping date ranges, keep adjacent in tact Merge statement conflict with FK Merge Statement Taking Long Time MERGE statement throws Violation of PRIMARY...
public array getTableNames(string $schema='') $schema string the schema of the tables. Defaults to empty string, meaning the current or default schema. If not empty, the returned table names will be prefixed with the schema name. {return} array all table names in the database....
• SUPPORT The server's level of support for the storage engine, as shown in the following table. Value YES DEFAULT NO DISABLED Meaning The engine is supported and is active Like YES, plus this is the default engine The engine is not supported The engine is supported but has been ...
the key has no meaning to the business[3]. In addition to this technical key, dimensions often contain business keys that identify the entries in the dimension table[3]. InFigure 7.3, this is thePassportNumberattribute. The entries often represent business objects and the changes to these obje...
$schema string the schema of the tables. Defaults to empty string, meaning the current or default schema.源码: framework/db/schema/sqlite/CSqliteSchema.php#81 (显示) Enables or disables integrity check. Note that this method used to do nothing before 1.1.14. Since 1.1.14 it changes integrit...
An optional input argument of type BOOLEAN that must be set tofalse, meaning that the procedure only recompiles programs currently in invalid state. reuse_settings An optional input argument of type BOOLEAN that must be set tofalse, meaning that the procedure uses the cu...
An integrity constraint defined on a table can be in one of the following states: ENABLE,VALIDATE ENABLE,NOVALIDATE DISABLE,VALIDATE DISABLE,NOVALIDATE For details about the meaning of these states and an understanding of their consequences, see theOracle9i SQL Reference.Some of these consequences are...
Deprecated Since 2.0.14.1 and will be removed in 2.1. Whether the column schema should OMIT using PgSQL Arrays support feature. You can use this property to make upgrade to Yii 2.0.14 easier. Default tofalse, meaning Arrays support is enabled. ...