The CREATE TABLE command is used to define a new table. It is one of the most complex SQL commands understood by SQLite, though nearly all of the syntax is optional. A new table can be created in a specific database by qualifying the table ... Get Using SQLite now with the O’Reilly...
The ALTER TABLE command can only be used in SQLite to allow the user only to rename a table or to add a new column to an existing table. It is not possible to rename a column or remove a column, or add or remove constraints from a table. The RENAME TO command is used to rename ...
In this article we will show how to create a table in SQLite database using theCREATE TABLEstatement. SQLite allows the creation of a table with different options such as: defining primary key and foreign key, adding uniqueness constraints,NOT NULL, checks, autoincrement, defining column with d...
sqlite3_column_text(), 取text类型的数据。 sqlite3_column_blob(),取blob类型的数据 sqlite3_column_int(), 取int类型的数据 3.数据库表的操作:create及update/insert/delete/select //创建数据库表(Create Table) + (BOOL)createTable { //判断数据库是否打开 if ([shareDataBaseopen]) { //如果表 i...
Createtable表名称(列名称1数据类型1,列名称2数据类型2,列名称3数据类型3,列名称4数据类型4---); Mysql Copy 示例 mysql>CreatetableEmployee(IdINT,NameVarchar(20));QueryOK,0rows affected(0.19sec) Mysql Copy 在上面的示例中,我们创建了一个名为“...
关于表的克隆有多种方式，比如我们可以使用create table ..as .. ，也可以使用create table .. like...
The syntax for creating a virtual table in SQLite is similar to that of a regular table, but with some key differences. Here’s an example of how to create a virtual table: CREATE VIRTUAL TABLE mytable USING module_name(arg1, arg2, ...); ...
sqlite> SELECT * FROM my_view1 ...> WHERE com_id='COM2'; com_id com_name yr_tran --- --- --- COM2 Company2 200032 If you want to see the list of views in the database, you can use the table list command, see the following command- sqlite> .tables company hrdb.departments...
Cannot access destination table (Sqlbulkcopy) cannot access non-static field in static context Cannot add a reference to my project to my unit testing project. Cannot add sqlite3.dll as a reference Cannot apply indexing with [] to an expression of type 'method group' Cannot apply indexing wi...
SQLite使用CREATE TABLE 语句创建表 columnN datatype, ); CREATE TABLE 是告诉数据库系统创建一个新表的关键字。CREATE TABLE 语句后跟着表的唯一的名称或标识。...实例 下面是一个实例,它创建了一个 COMPANY 表,ID 作为主键,NOT NULL 的约束表示在表中创建纪录时这些字段不能为 NULL: sqlite> CREATE TABLE ...