Recent questions tagged mysql

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

mysql - Is it better to return one big query or a few smaller ones?

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666 views 1 answer

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

mysql - Get the latest inserted id in a trigger?

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756 views 1 answer

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

mysql - SQL - error code 1005 with error number 121

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644 views 1 answer

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

mysql - Minimizing SQL queries using join with one-to-many relationship

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554 views 1 answer

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

mysql - Codeigniter parentheses in dynamic Active Record query

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656 views 1 answer

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

mysql - Convert lat/lng pairs using GeomFromText('POINT(1 1)') and insert in another column

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974 views 1 answer

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

mysql - Display SQL query results in php

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630 views 1 answer

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

mysql - Laravel eager loading vs explicit join

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760 views 1 answer

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

mysql - after insert ignore get primary key

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732 views 1 answer

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

mysql - @Column(unique=true) does not seem to work

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827 views 1 answer

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

mysql - SQL subtract two rows based on date and another column

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964 views 1 answer

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

mysql - how to skip duplicate records when importing in phpmyadmin

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882 views 1 answer

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

mysql - Error while inserting date - Incorrect date value:

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961 views 1 answer

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

mysql - What does the number in parenthesis really mean?

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601 views 1 answer

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

mysql - Calculated column in where-clause - performance

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662 views 1 answer

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

mysql - How to normalize a SQL Database

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536 views 1 answer

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

mysql - Difference between using REFERENCES with and without FOREIGN KEY?

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487 views 1 answer

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

mysql - Multiple insert/update statements inside trigger?

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767 views 1 answer

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

mysql - How to search and replace all instances of a string within a database?

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454 views 1 answer

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

mysql - DateTime group by date and hour

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863 views 1 answer

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

mysql - how to update swap values of two rows with single query

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895 views 1 answer

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

mysql - How can I improve DELETE FROM performance on large InnoDB tables?

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558 views 1 answer

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

mysql - Enable binary mode while restoring a Database from an SQL dump

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710 views 1 answer

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

mysql command for showing current configuration variables

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550 views 1 answer

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

mysql - PHP ~ Column count doesn't match value count at row 1

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697 views 1 answer

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

mysql - "Specified key was too long; max key length is 1000 bytes"

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779 views 1 answer

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

mysql - Doctrine: ON DUPLICATE KEY UPDATE

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1.4k views 1 answer

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

mysql - How to update from select with a Join

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560 views 1 answer

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