在PostgreSQL 中,你可以使用 INSERT 语句来插入包含时间或日期时间的数据。具体取决于你使用的数据类型(如 DATE、TIME、TIMESTAMP 或TIMESTAMPTZ)。 插入DATE 类型数据 sql INSERT INTO table_name (date_column) VALUES ('2025-04-28'); 插入TIME 类型数据 sql INSERT INTO table_name (time_column) VALUES ...
PostgreSQL: INSERT INTO Statement The INSERT INTO statement in PostgreSQL is used to add new rows of data into a specified table. It’s one of the most commonly used commands in SQL, allowing you to insert a single row, multiple rows, or even data from another table using a subquery. Sy...
INSERT 语法 命令语法[ WITH [ RECURSIVE ] with_query [, ...] ] INSERT INTO table_name [ AS alias ] [ ( column_name [, ...] ) ] [ OVERRIDING { SYSTEM | USER } VALUE ] { DEFAULT VALUES | VALUES ( { exp…
The metadata column stores JSON data, which can be queried and manipulated using PostgreSQL's JSON functions. Insert with CURRENT_TIMESTAMPThis example demonstrates how to insert the current timestamp into a table: insert_timestamp.sql -- CREATE TABLE books ( -- book_id INTEGER PRIMARY KEY, ...
INSERT INTO contacts (first_name, last_name, email) VALUES ('John', 'Doe', 'john.doe@example.com'), ('Jane', 'Smith', 'jane.smith@example.com'), ('Bob', 'Johnson', 'bob.johnson@example.com'); PostgreSQL returns the following message: INSERT 0 3 To verify the inserts, you use...
1) Basic PostgreSQL INSERT statement example The following example uses the INSERT statement to insert a new row into the links table: INSERT INTO links (url, name) VALUES('https://neon.tech/postgresql','PostgreSQL Tutorial'); The statement returns the following output: INSERT 0 1 To insert...
PostgreSQL Upsert: Insert or Update SimplifiedLearn how to use the PostgreSQL UPSERT feature to insert new rows or update existing ones efficiently. See examples and best practices in action.How to Use UPSERT in PostgreSQL?The term UPSERT combines update and insert, enabling you to insert a new...
INSERT INTO SELECT is a very useful statement in PostgreSQL which allows us to select or copy some data from one table and insert it into another. This technique saves time from manually inserting all the values again. So if we have an already existing table, we can copy the data from th...
In PostgreSQL, theTIMESTAMPandTIMESTAMPTZare used to store the date and time values with or without time zone information. The inbuilt date functions like NOW(), CURRENT_TIMESTAMP, and LOCALTIMESTAMP, are used with the INSERT statement to add the current timestamp into a Postgres table. This...
Insert data: PHP-PostgreSQL The following example code is to insert data into the 'book' table using PHP. Assume that the name of the file saved with this code is insert.php. <!DOCTYPEhtml>Insert data to PostgreSQL with php - creating a simple web applicationli{list-style:none;}Enter...