http://dcx.sybase.com/1101/en/dbprogramming_en11/ianywhere-data-sqlanywhere-saconnection-getschem6330755502-0.html http://razorsql.com/articles/sybase_admin_queries.html http://infocenter.sybase.com/help/topic/com.sybase.help.sqlanywhere.11.0.0/pdf/d…

MySQL: use sakila; -- show fields from table_name; -- show keys from table_name; SELECT `REFERENCED_TABLE_NAME` FROM `information_schema`.`KEY_COLUMN_USAGE` WHERE `TABLE_NAME` = '[table_containing_foreign_key]' AND `COLUMN_NAME` = '[foreign_key]'; SH…

private void button1_Click(object sender, EventArgs e) { try { //OdbcConnection conn = new OdbcConnection(); //conn.ConnectionString = // "ODBC;" + // "Driver={Sybase SQL Anywhere 5.0};" + // "DefaultDir=c:\myfolder\;" + // &…

https://github.com/mono/old-code https://wiki.scn.sap.com/wiki/display/SQLANY/SQL+Anywhere+and+Microsoft+.NET http://www.mono-project.com/docs/database-access/providers/sybase/ http://dcx.sybase.com/sa160/en/pdf/index.html http://infocenter.sybase.co…

http://www.mssqltips.com/sqlservertip/3449/making-sql-server-metadata-queries-easier-with-these-new-views http://www.sql-server-helper.com/functions/metadata-functions/index.aspx http://sqlmag.com/t-sql/partitioned-indexes-and-querying-metadata --查询表…

引用自:http://rusanu.com/2013/08/01/understanding-how-sql-server-executes-a-query/ Understanding how SQL Server executes a query August 1st, 2013 If you are a developer writing applications that use SQL Server and you are wondering what exactly happens…

练了一天,基本的东东应该有感觉了. #coding=utf-8 from datetime import datetime from sqlalchemy import (MetaData, Table, Column, Integer, Numeric, String, Boolean, DateTime, ForeignKey, ForeignKey, create_engine) from sqlalchemy import (insert, select, update, delete,…

Spark SQL, DataFrames and Datasets Guide Overview SQL Datasets and DataFrames 开始入门 起始点: SparkSession 创建 DataFrames 无类型的Dataset操作 (aka DataFrame 操作) Running SQL Queries Programmatically 全局临时视图 创建Datasets RDD的互操作性 使用反射推断Schema 以编程的方式指定Schema Aggregatio…

https://www.codeproject.com/Articles/630346/Understanding-how-SQL-Server-executes-a-query https://www.codeproject.com/Articles/732812/How-to-analyse-SQL-Server-performance     This article will help you write better database code and will help you ge…

你还在为sql语句的拼接而烦恼吗? sql语句支持表达式了! package com.newland.bi.webservice.common.manage; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import…