6. The PostgreSQL SERIAL type

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PostgreSQL: Documentation: 9.1: Numeric Types

The type names serial and serial4 are equivalent: both create integer columns. The type names bigserial and serial8 work the same way, except that they create a bigint column. bigserial should be used if you anticipate the use of more than 2 31 identifiers over the lifetime of the table.
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PostgreSQL: Documentation: 9.5: Data Types

PostgreSQL has a rich set of native data types available to users. Users can add new types to PostgreSQL using the CREATE TYPE command. Table 8-1 shows all the built-in general-purpose data types. Most of the alternative names listed in the “Aliases” column are the names used internally by PostgreSQL for historical reasons. In addition, some …
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Using PostgreSQL SERIAL To Create The Auto-increment Column

Introduction to the PostgreSQL SERIAL pseudo-type. In PostgreSQL, a sequence is a special kind of database object that generates a sequence of integers. A sequence is often used as the primary key column in a table. When creating a new table, the sequence can be created through the SERIAL pseudo-type as follows:
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PostgreSQL – SERIAL – Generate IDs (Identity, Auto-increment …

SERIAL data type allows you to automatically generate unique integer numbers (IDs, identity, auto-increment, sequence) for a column. Quick Example: — Define a table with SERIAL column (id starts at 1) CREATE TABLE teams ( id SERIAL UNIQUE, name VARCHAR(90) ); — Insert a row, ID will be automatically generated INSERT INTO teams (name) VALUES (‘Tottenham Hotspur’); — Retrieve generated ID …
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6. The PostgreSQL SERIAL type

منبع کلیپ (6. The PostgreSQL SERIAL type) : وبسایت آپارات -> کانال -> مهندس جواد جهانگیری – SecurityCoding.ir تمامی کلیپ ها به صورت امبد در سایت نمایش داده میشوند ، یعنی هر پخش کلیپ به آمار پخش کلیپ در آپارت شما اضافه میکند و برابر با پخش شدن کلیپ …
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PostgreSQL : Documentation: 9.6: Chapter 8. Data Types …

PostgreSQL has a rich set of native data types available to users. Users can add new types to PostgreSQL using the CREATE TYPE command. Table 8.1 shows all the built-in general-purpose data types. Most of the alternative names listed in the “ Aliases ” column are the names used internally by PostgreSQL for historical reasons. In addition …

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