SQL databases provide structured data storage capabilities. We can store data in tables with columns and rows. Other useful features for SQL databases are update capabilities. We can update SQL databases data in different ways and constraints. In this tutorial, we will learn how to update database table data with an SQL UPDATE statement and query single record, multiple records or conditional situations with examples. SQL UPDATE Syntax SQL Update...
sqlplus or sqlplus64 tools are used to connect and manage Oracle Databases. sqlplus64 is 64 bit version of the sqlplus. After installating these tools successfully when we try to run sqlplus command we may get an shared object file or library error. sqlplus Shared Library Error sqlplus command shared library error full definition is like below. Keep in mind that for 64 bit version it will be sqlplus64
|
1 2 |
sqlplus: error while loading shared libraries: libsqlplus.so: cannot open shared object file: No such file or directory |
Print...
SQL Programming language and SQL Database engines provide some useful mechanisms in order to make management of the data easier. SQL View is one of them which can be used to create a table from a SQL result set. What Is SQL View? SQL View is a virtual table which does not exist in a database physically. SQL View table is created from an SQL statement which is generally a...
Microsoft SQL Server is provided with different licenses. Free version is named Express Edition . Express Edition is very useful if we need a little database. Download We will download the SQL Server 2017 Express Edition from following link which is provided by Microsoft. https://www.microsoft.com/en-us/sql-server/sql-server-editions-express Start Installation We will download a simple install starter executable which is name SQLServer2017… . This will start the process and do not provide all...
SQL or Structured Query Language is a standard language used to to create, list, update, delete databases, tables, records. It provides this functionality with different type of commands. In this tutorial we will learn popular and useful SQL commands. Command Types SQL language is very advanced language which provides large command set. The commands are categorized according to their usage. Here is types of SQL commands. DDL – Database Definition...
SQL provides different statements in order to select into existing table, variable, temp table in various database servers like Oracle, MySQL, PostgreSQL etc. In this tutorial we will examine how to use Select Into SQL statement for different cases. Syntax Select Into statement syntax is the same as with Select syntax. We just need to a INTO between SELECT and FROM. We can also use WHERE statement in order to filter rows.
|
1 |
SELECT columns INTO newtable [IN externaldb] FROM oldtable WHERE condition; |
...
MySQL is very popular and open source database server. Python is old but lately discovered language. In this tutorial we will look how to use this popular techs in our applications in order to run sql queries. Install Python MySQL Connector In order to connect MySQL database from Python application we need some libraries. There are different libraries those supports running sql queries on MySQL but we will stick with...
MySQL database is very popular database server used by a lot of small and big companies. In this tutorial we will look the basics of MySQL server like creating database and tables, populating data into tables. MySQL installation can be done with the following tutorial for Linux operating systems. How to Install Mariadb/Mysql Server in Linux Fedora? Following operations can be done in MariaDB without any problem. MariaDB is the...
Sql is the language where a lot of data can be get with different logic. In an enterprise environment we may need to use complex SQL queries to get meaningful data. Inner is one of the logic where we join two tables with different magic. Example Tables In order to understand Inner and Outer Joins we will use following example tables with their data. We will use two tables those...
