Recent questions tagged database

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database - Atomic operations in Django?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database - How to tag a changeset in liquibase to rollback

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database design - Sql Data Type for Primary Key - SQL Server?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 823 views

database - What is the biggest ID number that autoincrement can produce in mysql

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database - How to remove foreign key constraint in sql server?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database - In a join table, what's the best workaround for Rails' absence of a composite key?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database design - What tag schema(s) are the most efficient/effective?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 852 views

database - Hibernate @OneToMany remove child from list when updating parent

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 728 views

database - How can I add comments in MySQL?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 672 views

database design - How to understand the 5th Normal Form?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 972 views

database - MySQL enum vs. set

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 948 views

database design - What is the difference between 3NF and BCNF?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 802 views

database design - SQL Server: how to constrain a table to contain a single row?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 658 views

database design - Anatomy of a Distributed System in PHP

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database - MySQL: ignore errors when importing?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 743 views

database - Securly Storing OpenID identifiers and OAuth tokens

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

database - How to solve SQL Server Error 1222 i.e Unlock a SQL Server table

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 759 views

database - Is there a way to set an "expiry" time, after which a data entry is automatically deleted in PostgreSQL?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 772 views

database - What is faceted search?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 884 views

database - Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 977 views

database - List all sequences in a Postgres db 8.1 with SQL

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 662 views

database - Two phase commit

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 676 views

database - How to store 7.3 billion rows of market data (optimized to be read)?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 750 views

database - Build Data Back to ListView Builder [Flutter]

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 733 views

database - ORA-01401: inserted value too large for column CHAR

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 759 views

database - Deciding whether a relation is 3NF or 2NF

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 656 views

database - Mysql ONLY_FULL_GROUP_BY mode issue - Pick single Image URL(any) for each Album

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 762 views

database - How to rollback when an error occurs while executing sql loader command?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 744 views

database - Bound combobox items refers to different field items

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 835 views

database - calculating age in years and months in Microsoft Access (2010)

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 668 views

database - Reflect List Data Back Into UI [Flutter]

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 766 views

database - Passing column name as parameter in MySQL

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 697 views

database - When to use one field as primary key instead of 2?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 743 views

database - How many records / rows / nodes is a lot in Firebase?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 718 views

database - SQL Server 2016 Express Management Studio cannot design a new or existing table

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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