Recent questions tagged SQL

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

sql - Cross Join without duplicate combinations

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261 views 1 answer

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

sql - Does the JDBC spec prevent '?' from being used as an operator (outside of quotes)?

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

sql - How to anticipate and escape single quote ' in oracle

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370 views 1 answer

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

sql - Update a table with join?

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255 views 1 answer

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

sql server 2005 - subquery or leftjoin with group by which one is faster?

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190 views 1 answer

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

sql - Calculating a Moving Average MySQL?

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478 views 1 answer

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

sql server - Driver.getConnection hangs using SQLServer driver and Java 1.6.0_29

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457 views 1 answer

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

sql server - Does the order of columns in a WHERE clause matter?

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333 views 1 answer

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

sql - How do I lag columns in MySQL?

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329 views 1 answer

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

sql - Casting NULL type when updating multiple rows

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185 views 1 answer

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

sql - Alternative to using LIMIT keyword in a SubQuery in MYSQL

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550 views 1 answer

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

sql - How do I use properly CASE..WHEN in MySQL

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235 views 1 answer

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

sql - Delete parent if it's not referenced by any other child

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

sql - PostgreSQL equivalent for TOP n WITH TIES: LIMIT "with ties"?

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435 views 1 answer

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

sql - Does Oracle use short-circuit evaluation?

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312 views 1 answer

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

sql server - How to get the numeric part from a string using T-SQL?

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265 views 1 answer

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

sql server 2008 r2 - Entity Framework 4.2 exec sp_executesql does not use indexes (parameter sniffing)

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352 views 1 answer

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

sql - MySQL equivalent of DECODE function in Oracle

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343 views 1 answer

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

sql server - determining the character set of a table / database?

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248 views 1 answer

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

sql - PostgreSQL where all in array

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210 views 1 answer

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

sql - MySQL #1093 - You can't specify target table 'giveaways' for update in FROM clause

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420 views 1 answer

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

sql server - error when inserting into table having instead of trigger from entity data framework

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258 views 1 answer

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

sql - HAVING without GROUP BY

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242 views 1 answer

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

sql - Why is a UDF so much slower than a subquery?

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335 views 1 answer

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

sql - "You tried to execute a query that does not include the specified aggregate function"

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266 views 1 answer

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

sql server - How to query values from xml nodes?

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223 views 1 answer

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

sql server - How to update primary key

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268 views 1 answer

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

sql - Error message: (provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe.)

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545 views 1 answer

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