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Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now » Examples in Each Chapter
1 cze 2021 · USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com'); -- result: 12. Convert all letters to lowercase: SELECT LOWER('LEARNSQL.COM'); -- result: learnsql.com. Convert all letters to uppercase: SELECT UPPER('LearnSQL.com'); -- result: LEARNSQL.COM.
USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com'); -- result: 12. Convert all letters to lowercase: SELECT LOWER('LEARNSQL.COM'); -- result: learnsql.com. Convert all letters to uppercase: SELECT UPPER('LearnSQL.com'); -- result: LEARNSQL.COM.
Rather than pulling the data out to a client sqlplus session on an ETL server, converting to PDF, then loading it back into the database as a BLOB, we do so directly in PL/SQL. We also gain page format, margins, and font control, plus optional grid lines/cells for the column data values.
SQL statements are the means by which programs and users access data in an Oracle database. The sections that follow show each SQL statement and its related syntax.
SQL provides three functions to convert a value from one datatype to another: TO_CHAR ( number | date [ , ‘fmt’] ) Converts a number or a date value to a VARCHAR2 character string
14 wrz 2009 · We now have to create a pdf file. I was planning on using pdfsharp/migradoc to do it, but then we'd have to create document and time its readiness with sql server data state and mail state. It'd be nice if the db could handle everything. Has anyone created pdf files directly in sql server? And if so, how.
