CREATE OR REPLACE PROCEDURE check_in_out (BEGINDATE IN VARCHAR2, ENDDATE IN VARCHAR2, AGENTID IN VARCHAR2, start1 IN NUMBER, limit1 IN NUMBER, AN_O_RET_CODE OUT NUMBER, AC_O_RET_MSG OUT VARCHAR2, COUNTALL ...
I have a need to be able to query the partition table partitioned by date field and which partitions are under the specified date range. However, the high_value in dba_part_partition is of type long, and when the partition key is of type date, the to_dat...
recently, I m going to take relational algebra; that is, database principles; my first contact is an abstract sql statement (I don t know if that s right). now I d like to ask, what kind of database should the relational algebra of this way of writ...
used to use mysql, you can directly set self-increasing id,PG and Oracle need to create self-increasing sequence. found that the primary keys in the oracle project do not use self-increment, but use the generated uuid. Is it better this way? ...
the demand is to query the book browsing data of the last 100 days, and sort the first 23 searches according to the id grouping of browsed books . The statement is: SELECT ip_times.query, books.name,books.cover, COUNT (books.id) AS VALUE FROM ip_time...
I would like to ask you that when I use mybatis to execute sql to get data, I define the mapping in xml as follows: <select id="testQry" parameterType="hashmap" resultType="hashmap"> SELECT DISTINCT username FROM t_u...
oracle is installed on centos, and centos is installed on win10 s virtual machine on a notebook how do I use this win10 laptop to access the oracle database on the internal virtual machine (centos)? ...
I use the image sath89 oracle-12c docker run~ can be used normally after startup, but it won t work after closing the container my startup command: docker run -d -p 8080:8080 -p 1521:1521 sath89 oracle-12c Container error log: . > Import f...
there are two tables in one of the 1.orcale11g libraries: REALTIME_TABLE (business real-time table) and HISTORY_TABLE (business history table), as follows (the fields of the two tables are consistent, and only some of the fields listed below): REALTIME...
1, data preparation CREATE TABLE [StudentScores] ( [UserName] NVARCHAR(20), -- [Subject] NVARCHAR(30), -- [Score] FLOAT, -- ) INSERT INTO [StudentScores] SELECT , , 80 INSERT IN...
the data I have found now is the following result A B C D 2019.1.2 AAA 1 0 2019.1.3 BBBBB 01 2019.1.2 AAA 0 3 2019.1.3 BBBBB 50 I want to merge this dataset through SQL or through JAVA code A B C D 2019.1.2 AAA 1 3 2019.1.3 BBBBB 5 1 how d...
problem description using SymmetricDS Synchronize database, the child node will report Could not communicate with node law_sys:law_sys_jituan:law_sys_jituan at http: localhost:8080 sync law-jituan because of unexpected error java.util.Concurrent...
TO_CHAR(CAST(DECODE(COUNT(*),0,0,SUM(CASE WHEN pd.score >=(select qualiscore from tb_agent_crmscallappeal where appealid= 1 ) THEN 1 ELSE 0 END) COUNT(*)*100) AS NUMBER(10,2)), 990.00 ) || % AS qualifi, ...
--- Cause: org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool exhausted at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:185) at com.ibatis.sqlmap.engine.mapping.s...
Why is it that when executing a SUM query in the code, the query with round (), is fast, the query without round (), is slow, and the execution speed is fast in Navicat? 1, xml file, add round () sql: 2xmlround sql: ...
java.sql.SQLException: Io : Bad packet type at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:...
alter table TB_EXAM_PROBLEM modify PRO_DESC VARCHAR2(4000);alter table TB_EXAM_PROBLEM modify PRO_KEY VARCHAR2(4000); can only be modified one by one? ...
alter table TB_EXAM_PROBLEM modify PRO_DESC VARCHAR2 (4000); alter table TB_EXAM_PROBLEM modify PRO_KEY VARCHAR2 (4000); after adding begin.end, still report an error? ...
I now have multiple tables that generate one table every day from July 1 to December 30, and now my boss asks me to summarize the table contents of each month. The database table is just like in the picture. I wonder if it is possible to use a SQL state...
start with in Oracle. How to optimize connect by prior? an address table has a total of 8-level addresses. Pass in the address id, to query all the superior addresses. The code is . select address_id addressId, address_name addressName, ...