execute immediate 'select t.cal_quarter_val from edwrpt.d_t_date t where t.CAL_DAY_NO = ' || to_char(v_date, 'yyyymmdd') into v_quarter;

这是一条动态执行 SQL 语句的语句，它的作用是查询某个日期对应的财年季度值。其中，变量 v_date 是一个日期类型的变量，to_char(v_date, 'yyyymmdd') 将 v_date 转化为字符串形式的年月日，然后将这个字符串拼接到 SQL 语句中。最后，通过 execute immediate 动态执行这个 SQL 语句，并将查询结果赋值给变量 v_quarter。

相关问题

SELECT * FROM complaint_data WHERE complaint_data.市='济南市' AS temp

抱歉，我无法执行数据库查询操作。作为一个文本生成AI模型，我无法直接与数据库进行交互。但是，您可以使用类似于Python中的数据库连接库（如pymysql、psycopg2等）来执行这样的查询操作。以下是一个示例代码，可以帮助您执行这个查询：

import pymysql

# 连接数据库
conn = pymysql.connect(host='localhost', user='your_username', password='your_password', db='your_database')
cursor = conn.cursor()

# 执行查询
query = "SELECT * FROM complaint_data WHERE 市='济南市'"
cursor.execute(query)

# 获取查询结果
results = cursor.fetchall()

# 打印结果
for row in results:
    print(row)

# 关闭数据库连接
conn.close()

请确保将上述代码中的`your_username`、`your_password`和`your_database`替换为相应的数据库凭据和数据库名称。

重写这段代码 CREATE OR REPLACE PROCEDURE ord_dev AS bill_date VARCHAR2(10); v_sql LONG; v_count NUMBER; v_time VARCHAR2(20); v_d VARCHAR2(2); v_m VARCHAR2(2); CURSOR c_tb IS SELECT * FROM b_cur_names; c_row b_cur_names%ROWTYPE; BEGIN EXECUTE IMMEDIATE 'truncate table b_cur_names'; v_sql := 'insert into b_cur_names Select TABLE_NAME from SYS.ALL_TABLES a Where a.owner =upper(''jour1'') And a.table_name Like upper(''om_subscriber_202___'') and Substr(a.table_name,-6) > 202205 order by 1'; COMMIT; EXECUTE IMMEDIATE 'DROP table ord_dev'; ---------------- v_sql := 'insert into ord_dev Select a.order_id,a.done_date, a.cust_id, a.subscriber_ins_id, a.access_num, c.dev_id, c.dev_name, c.corp_org, c.company_name, c.department_code, c.department_name, c.remarks From JOUR1.Om_Subscriber_202301 a Left Join JOUR1.om_order_202301 b On a.order_id = b.order_id Left Join params1.sec_developer c On b.dev_id = c.dev_id Where 1 =2 '; COMMIT; ------------- FOR c_row IN c_tb LOOP v_sql := ' insert into ord_dev Select a.order_id,a.done_date, a.cust_id, a.subscriber_ins_id, a.access_num, c.dev_id, c.dev_name, c.corp_org, c.company_name, c.department_code, c.department_name, c.remarks From JOUR1.Om_Subscriber_' || substr(c_row.table_name, -6) || ' a Left Join JOUR1.om_order_' || substr(c_row.table_name, -6) || ' b On a.order_id = b.order_id Left Join params1.sec_developer c On b.dev_id = c.dev_id Where 1 = 1 And a.access_num Like ''192%'' And a.action = 0'; COMMIT; END LOOP; END;

下面是重写后的优化代码：

CREATE OR REPLACE PROCEDURE ord_dev AS
v_sql VARCHAR2(32767);
v_count NUMBER;
v_time VARCHAR2(20);
v_d VARCHAR2(2);
v_m VARCHAR2(2);

BEGIN
-- Truncate b_cur_names table
EXECUTE IMMEDIATE 'TRUNCATE TABLE b_cur_names';

-- Get the table names matching the criteria
v_sql := 'INSERT INTO b_cur_names
SELECT TABLE_NAME FROM SYS.ALL_TABLES a
WHERE a.owner = UPPER(:owner)
AND a.table_name LIKE UPPER(:table_name_pattern)
AND SUBSTR(a.table_name,-6) > :table_name_suffix
ORDER BY 1';

EXECUTE IMMEDIATE v_sql USING 'jour1', 'OM_SUBSCRIBER_202___', '202205';

-- Drop ord_dev table if exists
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE ord_dev';
EXCEPTION
WHEN OTHERS THEN NULL;
END;

-- Create ord_dev table
v_sql := 'CREATE TABLE ord_dev AS
SELECT a.order_id, a.done_date,
a.cust_id,
a.subscriber_ins_id,
a.access_num,
c.dev_id,
c.dev_name,
c.corp_org,
c.company_name,
c.department_code,
c.department_name,
c.remarks
FROM JOUR1.Om_Subscriber_202301 a
LEFT JOIN JOUR1.om_order_202301 b
ON a.order_id = b.order_id
LEFT JOIN params1.sec_developer c
ON b.dev_id = c.dev_id
WHERE 1 = 2';

EXECUTE IMMEDIATE v_sql;

-- Insert data into ord_dev table
FOR c_row IN (SELECT * FROM b_cur_names)
LOOP
v_sql := 'INSERT INTO ord_dev
SELECT a.order_id, a.done_date,
a.cust_id,
a.subscriber_ins_id,
a.access_num,
c.dev_id,
c.dev_name,
c.corp_org,
c.company_name,
c.department_code,
c.department_name,
c.remarks
FROM JOUR1.Om_Subscriber_' || SUBSTR(c_row.table_name, -6) || ' a
LEFT JOIN JOUR1.om_order_' || SUBSTR(c_row.table_name, -6) || ' b
ON a.order_id = b.order_id
LEFT JOIN params1.sec_developer c
ON b.dev_id = c.dev_id
WHERE 1 = 1
AND a.access_num LIKE ''192%''
AND a.action = 0';

EXECUTE IMMEDIATE v_sql;
COMMIT;
END LOOP;

END;
/

重写后的代码进行了以下优化：

1. 使用绑定变量：将动态SQL中的字面量值改为绑定变量，以提高执行计划的复用和安全性。

2. 使用异常处理：在DROP TABLE语句中添加异常处理机制，以处理表不存在的情况，避免抛出异常。

3. 使用CREATE TABLE语句：替换了使用INSERT INTO SELECT 1=2 的方式来创建空表，直接使用CREATE TABLE语句创建ord_dev表。

4. 使用FOR循环优化插入：使用FOR循环遍历b_cur_names表，动态构建INSERT INTO语句，将数据插入ord_dev表。

请根据实际需求进行测试和验证，确保代码逻辑正确并满足预期的功能。