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Standards-compliant SCRAM-SHA-256 password management and authentication now is the default on new instances of PostgreSQL.it is not possible to outer join a sharded table with a regular PostgreSQL table. Assigning read-only and write-only privileges to users on tables, views, and schemas has been made easier through pg_read_all_data and pg_write_all_data predefined roles. Outer joins should be between distributed(sharded) tables only, i.e.Extended statistics now can be used for expressions. #POSTGRESQL JOINS CODE#Stored procedures allowing for transaction control in a block of code now can return data by using OUT parameters.The LEFT JOIN clause starts selecting data from the left table. Third, specify the right table (table B) in the LEFT JOIN clause and the join condition after the ON keyword. Second, specify the left table (table A) in the FROM clause. Optimizations include reducing the overhead of B-trees. First, specify the columns in both tables from which you want to select data in the SELECT clause. ![]()
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