数据库问题

What#39;s the difference between VARCHAR(255) and TINYTEXT string types in MySQL?(MySQL 中的 VARCHAR(255) 和 TINYTEXT 字符串类型有什么区别?)...

Comparison of database column types in MySQL, PostgreSQL, and SQLite? (Cross-Mapping)(MySQL、PostgreSQL、SQLite中数据库列类型的比较?(交叉映射))...

How to store decimal values in SQL Server?(如何在 SQL Server 中存储十进制值?)...

Common MySQL fields and their appropriate data types(常见的 MySQL 字段及其相应的数据类型)...

How to call Oracle function or stored procedure using spring persistence framework?(如何使用 Spring 持久化框架调用 Oracle 函数或存储过程?)...

What can cause intermittent ORA-12519 (TNS: no appropriate handler found) errors(什么会导致间歇性 ORA-12519(TNS:找不到合适的处理程序)错误)...

SQL to return the number of working days between 2 passed in dates(SQL 返回两个传入日期之间的工作日数)...

Oracle Date Subtraction(Oracle 日期减法)...

Is using quot;select *quot; for a cursor in PL/SQL considered bad programming?(正在使用“选择 *PL/SQL 中的游标被认为是糟糕的编程?)...

Using sql/plsql, how do you find out which character set a text uses?(使用 sql/plsql，你如何找出文本使用的字符集?)...

SQL finding person entry has the most dogs(SQL查找人员条目的狗最多)...

find column names and table names referenced in SQL(查找 SQL 中引用的列名和表名)...