cursor.execute('INSERT INTO your_table (column1, column2) VALUES (?, ?)', (value1, value2)) conn.commit() 更新数据: cursor.execute('UPDATE your_table SET column1 = ? WHERE column2 = ?', (newValue, oldValue)) conn.commit() 删除数据: cursor.execute('DELETE FROM your_table WHERE ...
importmysql.connector# 连接MySQLmysql_conn=mysql.connector.connect(host='<MYSQL_HOST>',user='<MYSQL_USERNAME>',password='<MYSQL_PASSWORD>',database='<MYSQL_DATABASE>')mysql_cursor=mysql_conn.cursor()# 插入数据forrowinsales_data:mysql_cursor.execute("INSERT INTO sales_data (id, product_name,...
Snowflakeスクリプトは、次のタイプのループをサポートしています。 FOR WHILE REPEAT LOOP このトピックでは、こうした各タイプのループの使用方法について説明します。 FOR ループ FORループは、指定された回数、または結果セットの各行に対して一連のステップを繰り返します。Snowflakeスク...
SELECT $1 INTO insertcount FROM TABLE(RESULT_SCAN(LAST_QUERY_ID()));。 但是,我很好奇是否有更有效或最佳实践的方法可以在不依赖 RESULT_SCAN(LAST_QUERY_ID())的情况下达到相同的结果。我听说过使用光标作为替代方案, LET Res RESULTSET; Res := (EXECUTE IMMEDIATE :Insert_SQL); LET cur CURSOR FOR...
CREATE or replace TABLE invoices (price NUMBER(12, 2)); INSERT INTO invoices (price) VALUES (11.11), (22.22); CREATE OR REPLACE PROCEDURE for_loop_over_cursor() RETURNS FLOAT LANGUAGE SQL AS $$ DECLARE total_price FLOAT; c1 CURSOR FOR SELECT price FROM invoices; BEGIN total_price :=...
Table Stages: Creation, Usage Internal Named Stages, Usage COPY Command, Bulk Data Loads Azure & External Storage Working with Azure Storage Azure Subscription, Resources Create, Use Azure Storage Account Storage Containers, BLOB Data Using SnowSQL with Azure BLOB ...
CTAS: Create Table As Select Data Loading with GUI, SQL Scripts Using Query and History Tab in GUI Constraints and Data Types Snowflake Constraints, Data Validations NULL and NOT NULL Properties Unique, Primary and Foreign Keys Working with Named Constraints ...
INTO id_table (stub) values (’a‘) ; SELECT LAST_INSERT_ID();该SQL语句可以使 id_table 表...
oracle:localhost> create table foobar ( id number(10) primary key, text varchar(127) ); ok. (70 msec) oracle:localhost> Some commands are not even complete, if there is a semicolon -- these arecreate procedureandcreate trigger. These commands contain some more complex SQL-operations that ...
from the transactional timestamp columns. Updates and deletes copy the values of changed rows into the internal history table and update the transactional timestamp columns to mark the valid transactional lifetime of rows. When the historical or changed data set is required, a current table and ...