Schema Nightmare: Fixing Your Query Condition Errors

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· is there a sql statement that can return the type of a column in a table? · additionally, the jdbc api provides a setter for the current schema on datasource, which is what hikari is using … · in the information_schema. columns table you will get the data_type for column type … 在学习数据库时，会遇到一个让人迷糊的schema的概念。实际上， schema 就是 数据库对象 的集合，这个集合包含了各种对象如：表、视图、 存储 … · a relation schema is the logical definition of a table - it defines what the name of the table is, and what the name and type …