Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

Recent questions tagged Database

0 votes
1.3k views
1 answer
    I am getting an error after moving the project to production. The error is as follows while running with production server ... .8.5-36), 64-bit See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
1.0k views
1 answer
    I have a ISO-8601 date in VARCHAR2 type, how can i convert that String date to timestamp in oracle db? Date Example: ... :00', ????) FROM DUAL See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
839 views
1 answer
    I am migrating a mysql database to mongodb. But i have read in MongoDb data types and then there is no reference to ... i do or what can i do? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
813 views
1 answer
    I have been using Firebase Real Time Fatabase for a while and I come across Cloud Firestore today. I can't figure ... ); But it doesn't work. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
662 views
1 answer
    Storing personal names in a structured way seems quite difficult when it comes to an application which is used by ... have a complex structure. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
877 views
1 answer
    I have a prepared statement: PreparedStatement st; and at my code i try to use st.setString method. st. ... i solve this problem? Thanks. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
687 views
1 answer
    I'm in the process of generalizing a Django DB replication app and it uses the statement: SELECT %s FROM ... platform is the LIMIT statement? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
729 views
1 answer
    In my db scheme, I need a autoincrement primary key. How I can realize this feature? PS For access to DynamoDB, ... dynode, module for Node.js. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
623 views
1 answer
    We are using MySQL version 5.0 and most of the tables are InnoDB. We run replication to a slave ... practices when doing incremental backups? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
767 views
1 answer
    This is driving me crazy. I have a library I source from multiple scripts, which contains the following function: ... can't figure out what. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
1.0k views
1 answer
    I just created a batch job using Spring Batch framework, but I don't have Database privileges to run ... writer and processor work properly. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
602 views
1 answer
    I need to sync my Android SQLite DB with my cloud-server DB, and doing it in a bi-directional way in ... read about a better solution/algorithm. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
711 views
1 answer
    I have a very simple scenario involving a database and a JMS in an application server (Glassfish). The scenario is ... is really used. Any idea? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
752 views
1 answer
    What are the pros and cons of each? Please advice when to use one and not the other. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
875 views
1 answer
    I have a program that connects to an Oracle database and performs operations on it. I now want to ... of redundant and unnecessary accesses. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
565 views
1 answer
    I wanted to know if the {save} method in CrudRepository do an update if it finds already the entry in the ... a changed attribute ? Thanks. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
572 views
1 answer
    I wanted to know if the {save} method in CrudRepository do an update if it finds already the entry in the ... a changed attribute ? Thanks. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
766 views
1 answer
    When creating a column of type NUMBER in Oracle, you have the option of not specifying a precision or scale. What ... if you don't specify them? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
712 views
1 answer
    Is it possible to restore table to last time with data if all data was deleted accidentally. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
601 views
1 answer
    I have a MySql database with some sports results in it. I want to write an Android application to display these ... display some of the data? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
769 views
1 answer
    Every SQL Server connection string I ever see looks something like this: Data Source=MyLocalSqlServerInstance;Initial Catalog= ... 's it for? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
654 views
1 answer
    How to implement inheritance with active records? For example, I want a class Animal, class Dog, and class ... the database table mapping be? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
734 views
1 answer
    I have an android application that access local sqlite3 db frequently, for performance consideration so i always keep the ... size of the DB ? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
888 views
1 answer
    At the moment if I am doing a query on the database that should only return one row, using: ...query ... directly. e.g. $query->campaign_id; See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
563 views
1 answer
    What are the pros and cons of using NULL values in SQL as opposed to default values? PS. Many similar ... but none answer my question. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
590 views
1 answer
    I am using a SQL 2008 database project (in visual studio) to manage the schema and initial test data for my ... that the path is incorrect. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
767 views
1 answer
    I am using a Postgresql database in my rails application. To store large file or data in database I have used ... use instead of blob in MySql? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
843 views
1 answer
    I want to store some additional information in that, automatically created, ManyToMany join-table. How would I do ... this the best approach? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...