pg_catalog | convert_from |text|bytea,name| normal pg_catalog | convert_to |bytea|text,name| normal (3rows) PostgreSQL支持的转换映射关系如下 postgres=# select * from pg_conversion ;conname |connamespace|conowner|conforencoding|contoencoding|conproc|condefault ---+---+---+---+---+-...
Launch AWS SCT. In AWS SCT, chooseFile, then chooseNew Project. Create a new project namedAWS Schema Conversion Tool Oracle to PostgreSQL, specify theLocationof the project folder, and then chooseOK. ChooseAdd sourceto add a source Oracle database to your project, then chooseOracle, and ch...
In this post, we present a solution that helps you convert JSON SQL queries from an Oracle database to a PostgreSQL database. Our solution primarily focuses on converting JSON-related data into TABLE (ROW and COLUMN) format and vice versa using Oracle and PostgreSQL. You can use...
PostgreSQL: ::data_type 复制代码 或者使用 CAST 函数: CAST(expression AS data_type) 复制代码 其中data_type 是目标数据类型,expression 是要转换的值或列。例如: CAST(column_name AS VARCHAR(10)) 复制代码 Oracle: TO_CHAR(expression, 'format') 复制代码 或者使用 CAST 函数: CAST(expression AS d...
In any combination,using our Oracle to PostgreSQL converters, data conversions between the following databases are possible: Oracle, PostgreSQL, AWS RDS/ Aurora, CockroachDB, Google Cloud SQL for PostgreSQL, Azure Database for PostgreSQL, Heroku Postgres ...
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During a migration from Amazon Relational Database Service (Amazon RDS) for Oracle to Amazon Aurora PostgreSQL-Compatible Edition, you might encounter a data mismatch when validating the migration in AWS Database Migration Service (AWS DMS). To prevent th...
Oracle: 语法:TO_CHAR(expression, format)或CAST(expression AS type) 示例:TO_CHAR(SYSDATE, 'YYYY-MM-DD')或CAST(SYSDATE AS VARCHAR2(10)) PostgreSQL: 语法:CAST(expression AS type)或expression::type 示例:CAST(NOW() AS TEXT)或NOW()::TEXT ...
SQL query converter enables the conversion of SELECT, UPDATE, DELETE and CREATE TABLE statements between MySQL, PostgreSQL, SQL Server and Oracle. This tool can help you by seamlessly transforming SQL queries between different databases, for example you can convert from MySQL to PostgreSQL, MySQL ...
EXECUTE IMMEDIATE sql query; 7. RAISE NOTICE.PostgreSQL provides this statement to output a message to console. Oracle usesDBMS_OUTPUT.PUT_LINE(...)function for the same purpose. 8. Sequences.Both PostgreSQL and Oracle support sequences. Once the sequence is created, PostgreSQL may use it to...