Recent questions tagged SQL

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Composite Primary Keys : is it good or bad

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390 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - MySQL - SELECT all columns WHERE one column is DISTINCT

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325 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Discard millisecond part from timestamp

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321 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - SQlite: select into?

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357 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - How do you determine what SQL Tables have an identity column programmatically

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384 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - The backend version is not supported to design database diagrams or tables

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741 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Why can't I use an alias for an aggregate in a having clause?

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424 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - How to return a incremental group number per group in SQL

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451 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - TABLOCK vs TABLOCKX

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387 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - The transaction log for the database is full

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334 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Trim trailing spaces with PostgreSQL

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421 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - T-SQL XOR Operator

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419 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - How to generate auto increment field in select query

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327 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Boolean vs tinyint(1) for boolean values in MySQL

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583 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - How do I view grants on Redshift

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393 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - How to regex in a MySQL query

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394 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql server - How to store directory / hierarchy / tree structure in the database?

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544 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Is there an auto increment in sqlite?

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439 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Grant privileges for a particular database in PostgreSQL

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301 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - ALTER table - adding AUTOINCREMENT in MySQL

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411 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Postgresql tables exists, but getting "relation does not exist" when querying

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478 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Rails 4 LIKE query - ActiveRecord adds quotes

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455 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Using a database table as a queue

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312 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Select from one table matching criteria in another?

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348 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - PostgreSQL Index on JSON

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355 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Count cumulative total in Postgresql

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468 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Copy data from one column to other column (which is in a different table)

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275 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Generate random int value from 3 to 6

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308 views 1 answer

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