Recent questions tagged database

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database - Local DB throws Byte array truncation to a length of 8000 exception

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

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database - Two foreign keys instead of primary

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

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database - SQL: Try/Catch doesn't catch an error when attempting to access a table that it can't find

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

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1 answer 972 views

database - MYSQL IN statement

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

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database - How to improve INSERT performance on a very large MySQL table

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

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database - MYSQL IN statement

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

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database - How to improve INSERT performance on a very large MySQL table

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

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database - Monitoring the progress of an SQL query in SQL SERVER

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

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database - Error ORA-00932 when using a select with union and CLOB fields

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

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1 answer 876 views

database - Ruby on Rails: Model Association with multiple foreign keys

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

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1 answer 956 views

database - How to query graph/hierarchical data in mysql

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

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database - Android Utility to send sqlite db to server

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

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database - SQL - Should I use a junction table or not?

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

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1 answer 894 views

database - Android Eclipse DDMS - Can't pull file from rooted device

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

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database connection - Tomcat6 can't connect to MySql (The driver has not received any packets from the server)

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

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database - What ORM can I use for Access 2007 - 2010? I'm after WPF binding to the tables etc

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

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1 answer 956 views

database - What is the best way to get distinct contacts in Android

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

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database - Hierarchical Data - Nested Set Model: MySql

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

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database - Bind variables in R DBI

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

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1 answer 900 views

database design - Is prefixing each field name in a table with abbreviated table name a good practice?

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

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1 answer 958 views

database - Is it faster to search for a large string in a DB by its hashcode?

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

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1 answer 874 views

database - Is it good practice to have foreign keys in a datawarehouse (relationships)?

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

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1 answer 1.3k views

database - oracle systimestamp (sysdate) to milliseconds

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

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1 answer 1.2k views

database design - is `date` a valid mysql column name?

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

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database - Is there a way to create multiple triggers in one script?

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

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1 answer 903 views

database - Connect PHP to IBM i (AS/400)

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

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1 answer 1.0k views

database - MODIFY COLUMN in oracle - How to check if a column is nullable before setting to nullable?

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

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1 answer 1.7k views

database - How to execute multiple queries using psql command from bash shell?

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

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1 answer 969 views

database - How do I print a triangle of stars using SQL

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

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1 answer 995 views

database - Open Source Address Scrubber?

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

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1 answer 1.4k views

database - Can I remove sa login from SQL server?

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

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1 answer 1.2k views

database - Is there a postgres command to list/drop all materialized views?

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

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1 answer 1.1k views

database - postgreSQL concurrently change column type from int to bigint

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

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database - Rails: Is the version number in 'schema.rb' used for anything?

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

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1 answer 875 views

database - Is it possible to map a table name for a domain object dynamically in grails?

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

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