sqlite primary key
SQLite supports PRIMARY KEY, UNIQUE, NOT NULL, CHECK constraint. The primary key of the table. A primary key id a column or a group of columns that uniquely identifies a row in the table. In case the primary key consists of multiple columns, you need to u,Optionally, a PRIMARY KEY for the table. Both single column and composite (multiple column) primary keys are supported. A set of SQL constraints for each table. SQLite supports UNIQUE, NOT NULL, CHECK and FOREIGN KEY constraints. Whether the table is a WI
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 sqlite primary key 相關參考資料
SQLite Primary Key: The Ultimate Guide To Primary Key - SQLite Tutorial
This tutorial shows you how to use SQLite PRIMARY KEY constraint to define the primary key for a table. http://www.sqlitetutorial.net SQLite Create Table with Examples - SQLite Tutorial
SQLite supports PRIMARY KEY, UNIQUE, NOT NULL, CHECK constraint. The primary key of the table. A primary key id a column or a group of columns that uniquely identifies a row in the table. In case the ... http://www.sqlitetutorial.net SQLite Query Language: CREATE TABLE
Optionally, a PRIMARY KEY for the table. Both single column and composite (multiple column) primary keys are supported. A set of SQL constraints for each table. SQLite supports UNIQUE, NOT NULL, CHECK... https://www.sqlite.org SQLite 入门教程（三）好多约束Constraints - 左洸- 博客园
sqlite> sqlite> CREATE TABLE Teachers(Id integer PRIMARY KEY,Name text); sqlite> .tables Teachers sqlite> INSERT INTO Teachers(Name) Values('张三'); sqlite> INSERT INTO Teachers(... http://www.cnblogs.com SQLite: Primary Keys - TechOnTheNet
This SQLite tutorial explains how to create, add, and drop a primary key in SQLite with syntax and examples. In SQLite, a primary key is a single field or combination of fields that uniquely defines a... https://www.techonthenet.com SQLite add Primary Key - Stack Overflow
In short: create a regular (unique) index on the table, then make the schema writable and change the name of the index to the form reserved by sqlite to identify a primary key index, (i.e. sqlite_aut... https://stackoverflow.com Sqlite primary key on multiple columns - Stack Overflow
But remember that such primary key allow NULL values in both columns multiple times. Create a table as such: sqlite> CREATE TABLE something ( column1, column2, value, PRIMARY KEY (column1, column2... https://stackoverflow.com SQLite建立Primary Key的方法@ jashliao的部落格:: 痞客邦PIXNET ::
SQLite建立Primary Key的方法資料來源:http://fecbob.pixnet.net/blog/post/35698849 1)創建一個單個Primary Key的tab. http://jashliao.pixnet.net SQLite PRIMARY KEY - TutorialsPoint
SQLite PRIMARY KEY - Learn SQLite in simple and easy steps starting from basic to advanced concepts with examples including database programming clauses command functions administration queries and us... https://www.tutorialspoint.com SQLite Primary Key Constraint - Tutlane
Here we will learn SQLite Primary key constraint with example and how to use SQLite Primary Key Constraint to make sure rows identified uniquely with examples. SQLite Primary Key Constraint. In SQLite... http://tutlane.com |