SQL

Error updating database.  Cause: java.sql.SQLSyntaxErrorException: ORA-00947: Not enough values

### Error updating database. Cause: java.sql.SQLSyntaxErrorException: ORA-00947: There are not enough values ### The error may involve com.esoon.i...
2020-12-02 18:04 views 42

sql server Add, delete, modify and query database （ Library and table ）

sql server Table add modify field modify table name add constraint view table structure instance package
2020-11-07 01:12 views 26

MySQL—— Query current time

Current year ： for example ：SELECT DATE_FORMAT(NOW(), '%Y');%M Month name (January……December)%W Week name (Sunday……Saturday)%D Date of month wi...
2020-10-18 10:22 views 32

SQL SERVER Splits comma separated strings into lines

available data , Like hobbies hobby, There are multiple hobbies separated by commas and stored together , Now you need to separate them and put t...
2020-09-30 18:56 views 18

mybatis-plus Configure the console to print complete with parameters SQL sentence

Problem context is usually when we develop , Joint console and Navicat/PLSQL And other tools for sentence splicing check , If it's just a bunch of...
2020-07-28 10:44 views 245

MySQL Advanced chapter （ Gao Yang ） Build table sql Complete statement

one , Single table CREATE TABLE IF NOT EXISTS `article`(`id` INT(10) UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,`author_id` INT(10) UNSIGNED NOT...
2020-06-10 23:27 views 23

Interviews are often asked SQL optimization

Interviews are often asked SQL optimization    As a back-end developer , It is essential to deal with the database in daily work , Whether in the ...
2020-05-18 11:21 views 22

SQL Formatter

SQL formatter can beautify the compressed SQL code or compress the SQL code
2022-09-11 09:53 views 747

SQL Different values for the same field in , Conduct data statistics

Application scenario ： According to the different states of the seal , Count the number of seals in different states . Just started Baidu , I did...
2019-10-24 15:29 views 22

SQL Server 2016 Most noteworthy 10 Big new features

Full encryption technology (Always Encrypted) Full encryption technology (Always Encrypted) Support in SQL Server Keep data encryption in , Only c...
2019-06-04 21:51 views 44
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