Exemplos de uso de Primary keys em Inglês e suas traduções para o Português
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Tables with composite primary keys.
Primary keys(IDs) are added automatically.
CakePHP does not support composite primary keys.
Primary keys can be numbers(longint) or strings.
If you are querying with some primary keys.
Fields. E007: Primary keys must not have null=True.
Modifications to data that cannot be altered e.g., primary keys.
Primary keys are normally defined as INT fields.
Odbc_primarykeys- Gets the primary keys for a table.
Recovers primary keys, indexes and foreign keys. .
You can use GUIDs as regular columns or as primary keys in your conceptual model.
Single column primary keys can be Nullable if it is an Integer or a Long.
This rule is essentially a restatement of the fundamental requirement for primary keys.
Supports all types of primary keys single-column, composite, and generated.
Primarykey helps support legacy tables with existing primary keys, even multi-part.
CakePHP supports composite primary keys almost everywhere, making it easier to build multi-tenanted applications.
Tables without a primary key or with composite primary keys are not referenced.
This is because primary keys are used to identify a unique row in the database, and by default are used as the table index.
Because all rows need to be identified, primary keys cannot contain a Null value.
A datastore only references tables with a single primary key see Primary keys.
An internal table can have primary keys as well as secondary keys. .
An associative(or junction) table maps two ormore tables together by referencing the primary keys of each data table.
Primary keys can be specified either when the table is created(using CREATE TABLE) or by changing the existing table structure using ALTER TABLE.
With some limitation,you can also use different primary keys using the primarykey parameter.
In relational databases,certain attributes of an entity that serve as unique identifiers are called primary keys.
Optional Possible to implement primary keys if data journaling isneeded(starting with version 14) see Primary keys in the Design Reference manual.
For example, the consult database contains all possible relationship types, composite primary keys, and many different data types.
In order for you to be able to create a log file directly,the database must be in one of the following situations except for compliance issues related to primary keys, see above.
Software supports conversion of single ormore than one table records with all indexes, primary keys and other necessary attributes with default values(including null values, unique and primary key constraints) as per user choice.
Provides conversion of the database records with full structure support i.e. support table structure(including rows and columns),indexes, primary keys, data types and attributes.