Essential PostgreSQL Shortcut Commands for Efficient Database Management 📌 Master psql with these quick and powerful shortcut commands! Category: Database, PostgreSQL Tags: PostgreSQL, psql, database management, SQL commands Slug: postgresql-shortcut-commands…
Read MoreThis document describes the process of creating a DBLink from an MSSQL database to an Oracle database schema A database link (DBLink) allows seamless integration and access between two databases,…
Read MoreStreaming replication in PostgreSQL is a vital feature for ensuring data availability and redundancy. Once your primary and standby servers are set up, it’s essential to monitor the replication status…
Read MorePostgreSQL’s streaming replication is a powerful feature that allows real-time data replication from a primary database server (master) to one or more standby servers (slaves). This guide will take you…
Read MoreINTRODUCTION: This doc will guide you through the process of installing Postgresql14, Pgadmin4 and also Creating users, databases, schemas VERSION: PostgreSQL14 PGAdmin-4 Verify Platform compatibility using below link https://www.enterprisedb.com/resources/platform-compatibility…
Read Morewhat is psudocolumn, Rowdepandancy and Norowdepandency in oracle A pseudocolumn behaves like a table column, but is not actually stored in the table. You can select from pseudocolumns, but you…
Read MoreAll Redo log group Members are in active state, ORA-20 max number of processes exceeded, Database went hung state After restart A) All Redo log group Members all are in…
Read MoreCLOB and BLOB are two types of data types used in databases to store large amounts of data. BLOB: BLOB, or Binary Large Object, is used to store binary data such as images, audio, video, and other multimedia objects. It is an extension of the VARBINARY data type and can store up to 2GB of data.Using CLOB and BLOB data types can be beneficial in many situations. CLOB:CLOB, or Character Large Object, is used to store textual data and is used for large strings of text. It is an extension of the VARCHAR data type and can store up to 4GB of data if you have a large document or image you need to store, you can use a CLOB or BLOB data type to store it.storage space is occupied more in the database, so you should be careful about when and how you use them. To query for CLOB or BLOB datatypes,…
Read MoreOracle index is a database object that is used to improve the performance of certain queries by providing direct access to the data in a table. Indexes are created on columns and contain entries that point to the data in the table. An index can be unique or non–unique and can be created on one or more columns. some of status are below. 1.Unusable 2.N/A 3.Valid 4.Invalid 1.UNUSABLEAn Oracle index can become unusable if the underlying table has been modified or dropped, or if the index has been corrupted. To fix this, you need to re–create the index.The data is not in the order specified by the SORTED INDEXES clause ALTER INDEX [schema.]indexname REBUILD ONLINE;…
Read More