create table sqlite
CREATE TABLE [IF NOT EXISTS] [schema_name].table_name (
column_1 data_type PRIMARY KEY,
column_2 data_type NOT NULL,
column_3 data_type DEFAULT 0,
table_constraints
) [WITHOUT ROWID];create table sqlite
CREATE TABLE [IF NOT EXISTS] [schema_name].table_name (
column_1 data_type PRIMARY KEY,
column_2 data_type NOT NULL,
column_3 data_type DEFAULT 0,
table_constraints
) [WITHOUT ROWID];create table with primary key
CREATE TABLE student_id
(
Column1 datatype,
Column2 datatype,
Column3 datatype,
PRIMARY KEY (student_id);sql primary key
-- NOTE: this is for SQL-Oracle specifically
-- example:
SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.owner
FROM all_constraints cons, all_cons_columns cols
WHERE cols.table_name = 'CUSTOMERS'
AND cons.constraint_type = 'P'
AND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner;
-- syntax:
SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.owner
FROM all_constraints cons, all_cons_columns cols
WHERE cols.table_name = '<table-name>' -- Replace <table-name> with your table-name
AND cons.constraint_type = 'P'
AND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner;primary key sql
CREATE TABLE student
(
Roll integer (15) NOT NULL PRIMARY KEY,
Name varchar (255),
Class varchar (255),
Contact No varchar (255),
);sql primary key
ALTER TABLE Persons
ADD PRIMARY KEY (ID);Copyright © 2021 Codeinu
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